Home / 123,718,963.44-170,727,447.96-68,718,347.76

Finding the Fourth Proportional to 123,718,963.44, 170,727,447.96 and 68,718,347.76

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Solution

The fourth proportional to 123,718,963.44, 170,727,447.96 and 68,718,347.76 is: 94,828,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,718,963.44 : 170,727,447.96 = 68,718,347.76 : x
  2. Step 2: Convert to fraction form
    123,718,963.44/170,727,447.96 = 68,718,347.76/x
  3. Step 3: Cross multiply
    123,718,963.44x = 170,727,447.96 × 68,718,347.76
  4. Step 4: Simplify right side
    123,718,963.44x = 11,732,108,141,092,584
  5. Step 5: Solve for x
    x = 11,732,108,141,092,584/123,718,963.44
  6. Step 6: Final answer
    x = 94,828,697.35

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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.