Home / 354,294,891.40-531,442,337.10-172,896,363.40

Finding the Fourth Proportional to 354,294,891.40, 531,442,337.10 and 172,896,363.40

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Solution

The fourth proportional to 354,294,891.40, 531,442,337.10 and 172,896,363.40 is: 259,344,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,891.40 : 531,442,337.10 = 172,896,363.40 : x
  2. Step 2: Convert to fraction form
    354,294,891.40/531,442,337.10 = 172,896,363.40/x
  3. Step 3: Cross multiply
    354,294,891.40x = 531,442,337.10 × 172,896,363.40
  4. Step 4: Simplify right side
    354,294,891.40x = 91,884,447,441,386,912
  5. Step 5: Solve for x
    x = 91,884,447,441,386,912/354,294,891.40
  6. Step 6: Final answer
    x = 259,344,545.10

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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.