Home / 123,253,769.28-170,088,123.52-68,248,444.80

Finding the Fourth Proportional to 123,253,769.28, 170,088,123.52 and 68,248,444.80

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Solution

The fourth proportional to 123,253,769.28, 170,088,123.52 and 68,248,444.80 is: 94,181,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,253,769.28 : 170,088,123.52 = 68,248,444.80 : x
  2. Step 2: Convert to fraction form
    123,253,769.28/170,088,123.52 = 68,248,444.80/x
  3. Step 3: Cross multiply
    123,253,769.28x = 170,088,123.52 × 68,248,444.80
  4. Step 4: Simplify right side
    123,253,769.28x = 11,608,249,909,190,302
  5. Step 5: Solve for x
    x = 11,608,249,909,190,302/123,253,769.28
  6. Step 6: Final answer
    x = 94,181,703.14

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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.