Home / 100,074,645.18-150,123,165.21-31,901,520.06

Finding the Fourth Proportional to 100,074,645.18, 150,123,165.21 and 31,901,520.06

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Solution

The fourth proportional to 100,074,645.18, 150,123,165.21 and 31,901,520.06 is: 47,855,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,074,645.18 : 150,123,165.21 = 31,901,520.06 : x
  2. Step 2: Convert to fraction form
    100,074,645.18/150,123,165.21 = 31,901,520.06/x
  3. Step 3: Cross multiply
    100,074,645.18x = 150,123,165.21 × 31,901,520.06
  4. Step 4: Simplify right side
    100,074,645.18x = 4,789,157,166,417,509
  5. Step 5: Solve for x
    x = 4,789,157,166,417,509/100,074,645.18
  6. Step 6: Final answer
    x = 47,855,849.58

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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.