Home / 68,006,766.40-102,010,149.60-63,755,238.40

Finding the Fourth Proportional to 68,006,766.40, 102,010,149.60 and 63,755,238.40

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Solution

The fourth proportional to 68,006,766.40, 102,010,149.60 and 63,755,238.40 is: 95,632,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,006,766.40 : 102,010,149.60 = 63,755,238.40 : x
  2. Step 2: Convert to fraction form
    68,006,766.40/102,010,149.60 = 63,755,238.40/x
  3. Step 3: Cross multiply
    68,006,766.40x = 102,010,149.60 × 63,755,238.40
  4. Step 4: Simplify right side
    68,006,766.40x = 6,503,681,406,967,664
  5. Step 5: Solve for x
    x = 6,503,681,406,967,664/68,006,766.40
  6. Step 6: Final answer
    x = 95,632,857.60

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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.