Home / 144,549,721.95-216,561,519.63-129,052,902.39

Finding the Fourth Proportional to 144,549,721.95, 216,561,519.63 and 129,052,902.39

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Solution

The fourth proportional to 144,549,721.95, 216,561,519.63 and 129,052,902.39 is: 193,344,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,549,721.95 : 216,561,519.63 = 129,052,902.39 : x
  2. Step 2: Convert to fraction form
    144,549,721.95/216,561,519.63 = 129,052,902.39/x
  3. Step 3: Cross multiply
    144,549,721.95x = 216,561,519.63 × 129,052,902.39
  4. Step 4: Simplify right side
    144,549,721.95x = 27,947,892,654,240,460
  5. Step 5: Solve for x
    x = 27,947,892,654,240,460/144,549,721.95
  6. Step 6: Final answer
    x = 193,344,492.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.