Home / 82,386,140.40-123,720,928.20-58,294,148.40

Finding the Fourth Proportional to 82,386,140.40, 123,720,928.20 and 58,294,148.40

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Solution

The fourth proportional to 82,386,140.40, 123,720,928.20 and 58,294,148.40 is: 87,541,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,386,140.40 : 123,720,928.20 = 58,294,148.40 : x
  2. Step 2: Convert to fraction form
    82,386,140.40/123,720,928.20 = 58,294,148.40/x
  3. Step 3: Cross multiply
    82,386,140.40x = 123,720,928.20 × 58,294,148.40
  4. Step 4: Simplify right side
    82,386,140.40x = 7,212,206,148,676,545
  5. Step 5: Solve for x
    x = 7,212,206,148,676,545/82,386,140.40
  6. Step 6: Final answer
    x = 87,541,498.04

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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.