Home / 83,218,384.10-124,827,576.15-57,688,220.90

Finding the Fourth Proportional to 83,218,384.10, 124,827,576.15 and 57,688,220.90

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Solution

The fourth proportional to 83,218,384.10, 124,827,576.15 and 57,688,220.90 is: 86,532,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,218,384.10 : 124,827,576.15 = 57,688,220.90 : x
  2. Step 2: Convert to fraction form
    83,218,384.10/124,827,576.15 = 57,688,220.90/x
  3. Step 3: Cross multiply
    83,218,384.10x = 124,827,576.15 × 57,688,220.90
  4. Step 4: Simplify right side
    83,218,384.10x = 7,201,080,787,352,772
  5. Step 5: Solve for x
    x = 7,201,080,787,352,772/83,218,384.10
  6. Step 6: Final answer
    x = 86,532,331.35

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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.