Home / 86,377,246.83-129,565,869.44-28,869,517.94

Finding the Fourth Proportional to 86,377,246.83, 129,565,869.44 and 28,869,517.94

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Solution

The fourth proportional to 86,377,246.83, 129,565,869.44 and 28,869,517.94 is: 43,304,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,377,246.83 : 129,565,869.44 = 28,869,517.94 : x
  2. Step 2: Convert to fraction form
    86,377,246.83/129,565,869.44 = 28,869,517.94/x
  3. Step 3: Cross multiply
    86,377,246.83x = 129,565,869.44 × 28,869,517.94
  4. Step 4: Simplify right side
    86,377,246.83x = 3,740,504,191,417,600.50
  5. Step 5: Solve for x
    x = 3,740,504,191,417,600.50/86,377,246.83
  6. Step 6: Final answer
    x = 43,304,276.63

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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.