Home / 119,126,790.80-178,690,186.20-88,893,702.80

Finding the Fourth Proportional to 119,126,790.80, 178,690,186.20 and 88,893,702.80

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Solution

The fourth proportional to 119,126,790.80, 178,690,186.20 and 88,893,702.80 is: 133,340,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,126,790.80 : 178,690,186.20 = 88,893,702.80 : x
  2. Step 2: Convert to fraction form
    119,126,790.80/178,690,186.20 = 88,893,702.80/x
  3. Step 3: Cross multiply
    119,126,790.80x = 178,690,186.20 × 88,893,702.80
  4. Step 4: Simplify right side
    119,126,790.80x = 15,884,432,305,339,460
  5. Step 5: Solve for x
    x = 15,884,432,305,339,460/119,126,790.80
  6. Step 6: Final answer
    x = 133,340,554.20

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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.