Home / 123,706,412.56-170,704,893.67-71,498,829.70

Finding the Fourth Proportional to 123,706,412.56, 170,704,893.67 and 71,498,829.70

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Solution

The fourth proportional to 123,706,412.56, 170,704,893.67 and 71,498,829.70 is: 98,662,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,706,412.56 : 170,704,893.67 = 71,498,829.70 : x
  2. Step 2: Convert to fraction form
    123,706,412.56/170,704,893.67 = 71,498,829.70/x
  3. Step 3: Cross multiply
    123,706,412.56x = 170,704,893.67 × 71,498,829.70
  4. Step 4: Simplify right side
    123,706,412.56x = 12,205,200,121,904,396
  5. Step 5: Solve for x
    x = 12,205,200,121,904,396/123,706,412.56
  6. Step 6: Final answer
    x = 98,662,630.90

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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.