Home / 76,695,909.76-105,840,187.68-41,888,603.20

Finding the Fourth Proportional to 76,695,909.76, 105,840,187.68 and 41,888,603.20

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Solution

The fourth proportional to 76,695,909.76, 105,840,187.68 and 41,888,603.20 is: 57,806,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,695,909.76 : 105,840,187.68 = 41,888,603.20 : x
  2. Step 2: Convert to fraction form
    76,695,909.76/105,840,187.68 = 41,888,603.20/x
  3. Step 3: Cross multiply
    76,695,909.76x = 105,840,187.68 × 41,888,603.20
  4. Step 4: Simplify right side
    76,695,909.76x = 4,433,497,624,341,049
  5. Step 5: Solve for x
    x = 4,433,497,624,341,049/76,695,909.76
  6. Step 6: Final answer
    x = 57,806,180.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.