Home / 147,558,463.40-221,337,695.10-51,820,351.40

Finding the Fourth Proportional to 147,558,463.40, 221,337,695.10 and 51,820,351.40

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Solution

The fourth proportional to 147,558,463.40, 221,337,695.10 and 51,820,351.40 is: 77,730,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,558,463.40 : 221,337,695.10 = 51,820,351.40 : x
  2. Step 2: Convert to fraction form
    147,558,463.40/221,337,695.10 = 51,820,351.40/x
  3. Step 3: Cross multiply
    147,558,463.40x = 221,337,695.10 × 51,820,351.40
  4. Step 4: Simplify right side
    147,558,463.40x = 11,469,797,138,148,058
  5. Step 5: Solve for x
    x = 11,469,797,138,148,058/147,558,463.40
  6. Step 6: Final answer
    x = 77,730,527.10

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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.