Home / 123,911,695.99-171,001,365.56-68,158,552.83

Finding the Fourth Proportional to 123,911,695.99, 171,001,365.56 and 68,158,552.83

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Solution

The fourth proportional to 123,911,695.99, 171,001,365.56 and 68,158,552.83 is: 94,060,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,911,695.99 : 171,001,365.56 = 68,158,552.83 : x
  2. Step 2: Convert to fraction form
    123,911,695.99/171,001,365.56 = 68,158,552.83/x
  3. Step 3: Cross multiply
    123,911,695.99x = 171,001,365.56 × 68,158,552.83
  4. Step 4: Simplify right side
    123,911,695.99x = 11,655,205,608,523,402
  5. Step 5: Solve for x
    x = 11,655,205,608,523,402/123,911,695.99
  6. Step 6: Final answer
    x = 94,060,576.89

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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.