Home / 66,955,688.40-92,398,478.65-37,587,013.20

Finding the Fourth Proportional to 66,955,688.40, 92,398,478.65 and 37,587,013.20

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Solution

The fourth proportional to 66,955,688.40, 92,398,478.65 and 37,587,013.20 is: 51,869,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,955,688.40 : 92,398,478.65 = 37,587,013.20 : x
  2. Step 2: Convert to fraction form
    66,955,688.40/92,398,478.65 = 37,587,013.20/x
  3. Step 3: Cross multiply
    66,955,688.40x = 92,398,478.65 × 37,587,013.20
  4. Step 4: Simplify right side
    66,955,688.40x = 3,472,982,836,446,472
  5. Step 5: Solve for x
    x = 3,472,982,836,446,472/66,955,688.40
  6. Step 6: Final answer
    x = 51,869,869.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.