Home / 119,872,215.19-165,332,504.09-103,155,131.33

Finding the Fourth Proportional to 119,872,215.19, 165,332,504.09 and 103,155,131.33

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Solution

The fourth proportional to 119,872,215.19, 165,332,504.09 and 103,155,131.33 is: 142,275,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,872,215.19 : 165,332,504.09 = 103,155,131.33 : x
  2. Step 2: Convert to fraction form
    119,872,215.19/165,332,504.09 = 103,155,131.33/x
  3. Step 3: Cross multiply
    119,872,215.19x = 165,332,504.09 × 103,155,131.33
  4. Step 4: Simplify right side
    119,872,215.19x = 17,054,896,172,005,938
  5. Step 5: Solve for x
    x = 17,054,896,172,005,938/119,872,215.19
  6. Step 6: Final answer
    x = 142,275,640.32

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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.