Home / 74,936,170.47-103,354,658.31-64,499,665.53

Finding the Fourth Proportional to 74,936,170.47, 103,354,658.31 and 64,499,665.53

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Solution

The fourth proportional to 74,936,170.47, 103,354,658.31 and 64,499,665.53 is: 88,960,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936,170.47 : 103,354,658.31 = 64,499,665.53 : x
  2. Step 2: Convert to fraction form
    74,936,170.47/103,354,658.31 = 64,499,665.53/x
  3. Step 3: Cross multiply
    74,936,170.47x = 103,354,658.31 × 64,499,665.53
  4. Step 4: Simplify right side
    74,936,170.47x = 6,666,340,891,962,435
  5. Step 5: Solve for x
    x = 6,666,340,891,962,435/74,936,170.47
  6. Step 6: Final answer
    x = 88,960,255.78

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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.