Home / 123,124,156.52-169,911,245.84-67,369,943.03

Finding the Fourth Proportional to 123,124,156.52, 169,911,245.84 and 67,369,943.03

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Solution

The fourth proportional to 123,124,156.52, 169,911,245.84 and 67,369,943.03 is: 92,970,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,124,156.52 : 169,911,245.84 = 67,369,943.03 : x
  2. Step 2: Convert to fraction form
    123,124,156.52/169,911,245.84 = 67,369,943.03/x
  3. Step 3: Cross multiply
    123,124,156.52x = 169,911,245.84 × 67,369,943.03
  4. Step 4: Simplify right side
    123,124,156.52x = 11,446,910,951,210,720
  5. Step 5: Solve for x
    x = 11,446,910,951,210,720/123,124,156.52
  6. Step 6: Final answer
    x = 92,970,472.04

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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.