Home / 99,225,390.65-148,828,387.27-30,138,793.98

Finding the Fourth Proportional to 99,225,390.65, 148,828,387.27 and 30,138,793.98

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Solution

The fourth proportional to 99,225,390.65, 148,828,387.27 and 30,138,793.98 is: 45,205,245.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,225,390.65 : 148,828,387.27 = 30,138,793.98 : x
  2. Step 2: Convert to fraction form
    99,225,390.65/148,828,387.27 = 30,138,793.98/x
  3. Step 3: Cross multiply
    99,225,390.65x = 148,828,387.27 × 30,138,793.98
  4. Step 4: Simplify right side
    99,225,390.65x = 4,485,508,101,814,082.50
  5. Step 5: Solve for x
    x = 4,485,508,101,814,082.50/99,225,390.65
  6. Step 6: Final answer
    x = 45,205,245.07

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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.