Home / 202,182,702.30-303,274,053.45-72,810,279.90

Finding the Fourth Proportional to 202,182,702.30, 303,274,053.45 and 72,810,279.90

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Solution

The fourth proportional to 202,182,702.30, 303,274,053.45 and 72,810,279.90 is: 109,215,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,182,702.30 : 303,274,053.45 = 72,810,279.90 : x
  2. Step 2: Convert to fraction form
    202,182,702.30/303,274,053.45 = 72,810,279.90/x
  3. Step 3: Cross multiply
    202,182,702.30x = 303,274,053.45 × 72,810,279.90
  4. Step 4: Simplify right side
    202,182,702.30x = 22,081,468,718,102,060
  5. Step 5: Solve for x
    x = 22,081,468,718,102,060/202,182,702.30
  6. Step 6: Final answer
    x = 109,215,419.85

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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.