Home / 72,233,424,009.90-108,350,136,014.85-47,128,576,322.70

Finding the Fourth Proportional to 72,233,424,009.90, 108,350,136,014.85 and 47,128,576,322.70

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Solution

The fourth proportional to 72,233,424,009.90, 108,350,136,014.85 and 47,128,576,322.70 is: 70,692,864,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,233,424,009.90 : 108,350,136,014.85 = 47,128,576,322.70 : x
  2. Step 2: Convert to fraction form
    72,233,424,009.90/108,350,136,014.85 = 47,128,576,322.70/x
  3. Step 3: Cross multiply
    72,233,424,009.90x = 108,350,136,014.85 × 47,128,576,322.70
  4. Step 4: Simplify right side
    72,233,424,009.90x = 5,106,387,654,750,783,930,368
  5. Step 5: Solve for x
    x = 5,106,387,654,750,783,930,368/72,233,424,009.90
  6. Step 6: Final answer
    x = 70,692,864,484.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.