Home / 119,872,213.06-165,332,501.15-103,155,129.20

Finding the Fourth Proportional to 119,872,213.06, 165,332,501.15 and 103,155,129.20

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Solution

The fourth proportional to 119,872,213.06, 165,332,501.15 and 103,155,129.20 is: 142,275,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,872,213.06 : 165,332,501.15 = 103,155,129.20 : x
  2. Step 2: Convert to fraction form
    119,872,213.06/165,332,501.15 = 103,155,129.20/x
  3. Step 3: Cross multiply
    119,872,213.06x = 165,332,501.15 × 103,155,129.20
  4. Step 4: Simplify right side
    119,872,213.06x = 17,054,895,517,758,618
  5. Step 5: Solve for x
    x = 17,054,895,517,758,618/119,872,213.06
  6. Step 6: Final answer
    x = 142,275,637.39

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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.