Home / 119,872,213.81-165,332,502.19-103,155,129.95

Finding the Fourth Proportional to 119,872,213.81, 165,332,502.19 and 103,155,129.95

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Solution

The fourth proportional to 119,872,213.81, 165,332,502.19 and 103,155,129.95 is: 142,275,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,872,213.81 : 165,332,502.19 = 103,155,129.95 : x
  2. Step 2: Convert to fraction form
    119,872,213.81/165,332,502.19 = 103,155,129.95/x
  3. Step 3: Cross multiply
    119,872,213.81x = 165,332,502.19 × 103,155,129.95
  4. Step 4: Simplify right side
    119,872,213.81x = 17,054,895,748,523,554
  5. Step 5: Solve for x
    x = 17,054,895,748,523,554/119,872,213.81
  6. Step 6: Final answer
    x = 142,275,638.42

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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.