Home / 147,690,616.80-203,810,065.20-89,762,527.20

Finding the Fourth Proportional to 147,690,616.80, 203,810,065.20 and 89,762,527.20

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Solution

The fourth proportional to 147,690,616.80, 203,810,065.20 and 89,762,527.20 is: 123,870,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,690,616.80 : 203,810,065.20 = 89,762,527.20 : x
  2. Step 2: Convert to fraction form
    147,690,616.80/203,810,065.20 = 89,762,527.20/x
  3. Step 3: Cross multiply
    147,690,616.80x = 203,810,065.20 × 89,762,527.20
  4. Step 4: Simplify right side
    147,690,616.80x = 18,294,506,521,148,772
  5. Step 5: Solve for x
    x = 18,294,506,521,148,772/147,690,616.80
  6. Step 6: Final answer
    x = 123,870,472.73

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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.