Home / 98,935,300.80-148,402,951.20-82,912,354.65

Finding the Fourth Proportional to 98,935,300.80, 148,402,951.20 and 82,912,354.65

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Solution

The fourth proportional to 98,935,300.80, 148,402,951.20 and 82,912,354.65 is: 124,368,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,935,300.80 : 148,402,951.20 = 82,912,354.65 : x
  2. Step 2: Convert to fraction form
    98,935,300.80/148,402,951.20 = 82,912,354.65/x
  3. Step 3: Cross multiply
    98,935,300.80x = 148,402,951.20 × 82,912,354.65
  4. Step 4: Simplify right side
    98,935,300.80x = 12,304,438,121,001,042
  5. Step 5: Solve for x
    x = 12,304,438,121,001,042/98,935,300.80
  6. Step 6: Final answer
    x = 124,368,531.98

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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.