Home / 105,683,343.40-158,525,015.10-48,287,715.40

Finding the Fourth Proportional to 105,683,343.40, 158,525,015.10 and 48,287,715.40

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Solution

The fourth proportional to 105,683,343.40, 158,525,015.10 and 48,287,715.40 is: 72,431,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,683,343.40 : 158,525,015.10 = 48,287,715.40 : x
  2. Step 2: Convert to fraction form
    105,683,343.40/158,525,015.10 = 48,287,715.40/x
  3. Step 3: Cross multiply
    105,683,343.40x = 158,525,015.10 × 48,287,715.40
  4. Step 4: Simplify right side
    105,683,343.40x = 7,654,810,812,929,502
  5. Step 5: Solve for x
    x = 7,654,810,812,929,502/105,683,343.40
  6. Step 6: Final answer
    x = 72,431,573.10

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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.