Home / 123,706,415.55-170,704,897.80-71,498,832.69

Finding the Fourth Proportional to 123,706,415.55, 170,704,897.80 and 71,498,832.69

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Solution

The fourth proportional to 123,706,415.55, 170,704,897.80 and 71,498,832.69 is: 98,662,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,706,415.55 : 170,704,897.80 = 71,498,832.69 : x
  2. Step 2: Convert to fraction form
    123,706,415.55/170,704,897.80 = 71,498,832.69/x
  3. Step 3: Cross multiply
    123,706,415.55x = 170,704,897.80 × 71,498,832.69
  4. Step 4: Simplify right side
    123,706,415.55x = 12,205,200,927,165,750
  5. Step 5: Solve for x
    x = 12,205,200,927,165,750/123,706,415.55
  6. Step 6: Final answer
    x = 98,662,635.02

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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.