Home / 87,235,296.33-120,402,572.92-51,973,758

Finding the Fourth Proportional to 87,235,296.33, 120,402,572.92 and 51,973,758

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Solution

The fourth proportional to 87,235,296.33, 120,402,572.92 and 51,973,758 is: 71,734,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,235,296.33 : 120,402,572.92 = 51,973,758 : x
  2. Step 2: Convert to fraction form
    87,235,296.33/120,402,572.92 = 51,973,758/x
  3. Step 3: Cross multiply
    87,235,296.33x = 120,402,572.92 × 51,973,758
  4. Step 4: Simplify right side
    87,235,296.33x = 6,257,774,187,391,499
  5. Step 5: Solve for x
    x = 6,257,774,187,391,499/87,235,296.33
  6. Step 6: Final answer
    x = 71,734,429.19

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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.