Home / 82,767,949,812.80-124,151,924,719.20-47,939,432,436.80

Finding the Fourth Proportional to 82,767,949,812.80, 124,151,924,719.20 and 47,939,432,436.80

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Solution

The fourth proportional to 82,767,949,812.80, 124,151,924,719.20 and 47,939,432,436.80 is: 71,909,148,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,767,949,812.80 : 124,151,924,719.20 = 47,939,432,436.80 : x
  2. Step 2: Convert to fraction form
    82,767,949,812.80/124,151,924,719.20 = 47,939,432,436.80/x
  3. Step 3: Cross multiply
    82,767,949,812.80x = 124,151,924,719.20 × 47,939,432,436.80
  4. Step 4: Simplify right side
    82,767,949,812.80x = 5,951,772,806,974,768,414,720
  5. Step 5: Solve for x
    x = 5,951,772,806,974,768,414,720/82,767,949,812.80
  6. Step 6: Final answer
    x = 71,909,148,655.20

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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.