Home / 125,467,807.17-188,275,435.11-52,678,990.56

Finding the Fourth Proportional to 125,467,807.17, 188,275,435.11 and 52,678,990.56

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Solution

The fourth proportional to 125,467,807.17, 188,275,435.11 and 52,678,990.56 is: 79,049,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,467,807.17 : 188,275,435.11 = 52,678,990.56 : x
  2. Step 2: Convert to fraction form
    125,467,807.17/188,275,435.11 = 52,678,990.56/x
  3. Step 3: Cross multiply
    125,467,807.17x = 188,275,435.11 × 52,678,990.56
  4. Step 4: Simplify right side
    125,467,807.17x = 9,918,159,868,839,584
  5. Step 5: Solve for x
    x = 9,918,159,868,839,584/125,467,807.17
  6. Step 6: Final answer
    x = 79,049,439.79

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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.