Home / 123,656,548.80-170,677,061.28-71,475,895.20

Finding the Fourth Proportional to 123,656,548.80, 170,677,061.28 and 71,475,895.20

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Solution

The fourth proportional to 123,656,548.80, 170,677,061.28 and 71,475,895.20 is: 98,654,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,656,548.80 : 170,677,061.28 = 71,475,895.20 : x
  2. Step 2: Convert to fraction form
    123,656,548.80/170,677,061.28 = 71,475,895.20/x
  3. Step 3: Cross multiply
    123,656,548.80x = 170,677,061.28 × 71,475,895.20
  4. Step 4: Simplify right side
    123,656,548.80x = 12,199,295,745,093,258
  5. Step 5: Solve for x
    x = 12,199,295,745,093,258/123,656,548.80
  6. Step 6: Final answer
    x = 98,654,667.82

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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.