Home / 119,788,689.40-165,308,502.45-64,784,545.90

Finding the Fourth Proportional to 119,788,689.40, 165,308,502.45 and 64,784,545.90

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Solution

The fourth proportional to 119,788,689.40, 165,308,502.45 and 64,784,545.90 is: 89,402,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,788,689.40 : 165,308,502.45 = 64,784,545.90 : x
  2. Step 2: Convert to fraction form
    119,788,689.40/165,308,502.45 = 64,784,545.90/x
  3. Step 3: Cross multiply
    119,788,689.40x = 165,308,502.45 × 64,784,545.90
  4. Step 4: Simplify right side
    119,788,689.40x = 10,709,436,264,632,286
  5. Step 5: Solve for x
    x = 10,709,436,264,632,286/119,788,689.40
  6. Step 6: Final answer
    x = 89,402,733.42

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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.