Home / 119,872,213.80-165,332,502.18-103,155,129.96

Finding the Fourth Proportional to 119,872,213.80, 165,332,502.18 and 103,155,129.96

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Solution

The fourth proportional to 119,872,213.80, 165,332,502.18 and 103,155,129.96 is: 142,275,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,872,213.80 : 165,332,502.18 = 103,155,129.96 : x
  2. Step 2: Convert to fraction form
    119,872,213.80/165,332,502.18 = 103,155,129.96/x
  3. Step 3: Cross multiply
    119,872,213.80x = 165,332,502.18 × 103,155,129.96
  4. Step 4: Simplify right side
    119,872,213.80x = 17,054,895,748,989,882
  5. Step 5: Solve for x
    x = 17,054,895,748,989,882/119,872,213.80
  6. Step 6: Final answer
    x = 142,275,638.43

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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.