Home / 82,387,288.60-123,580,932.90-63,314,315.80

Finding the Fourth Proportional to 82,387,288.60, 123,580,932.90 and 63,314,315.80

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Solution

The fourth proportional to 82,387,288.60, 123,580,932.90 and 63,314,315.80 is: 94,971,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,387,288.60 : 123,580,932.90 = 63,314,315.80 : x
  2. Step 2: Convert to fraction form
    82,387,288.60/123,580,932.90 = 63,314,315.80/x
  3. Step 3: Cross multiply
    82,387,288.60x = 123,580,932.90 × 63,314,315.80
  4. Step 4: Simplify right side
    82,387,288.60x = 7,824,442,212,489,210
  5. Step 5: Solve for x
    x = 7,824,442,212,489,210/82,387,288.60
  6. Step 6: Final answer
    x = 94,971,473.70

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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.