Home / 122,868,624.87-169,557,556.02-67,114,023.93

Finding the Fourth Proportional to 122,868,624.87, 169,557,556.02 and 67,114,023.93

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Solution

The fourth proportional to 122,868,624.87, 169,557,556.02 and 67,114,023.93 is: 92,616,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,868,624.87 : 169,557,556.02 = 67,114,023.93 : x
  2. Step 2: Convert to fraction form
    122,868,624.87/169,557,556.02 = 67,114,023.93/x
  3. Step 3: Cross multiply
    122,868,624.87x = 169,557,556.02 × 67,114,023.93
  4. Step 4: Simplify right side
    122,868,624.87x = 11,379,689,872,238,598
  5. Step 5: Solve for x
    x = 11,379,689,872,238,598/122,868,624.87
  6. Step 6: Final answer
    x = 92,616,726.88

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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.