Home / 89,485,575.90-123,471,577.03-52,308,666.55

Finding the Fourth Proportional to 89,485,575.90, 123,471,577.03 and 52,308,666.55

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Solution

The fourth proportional to 89,485,575.90, 123,471,577.03 and 52,308,666.55 is: 72,175,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,485,575.90 : 123,471,577.03 = 52,308,666.55 : x
  2. Step 2: Convert to fraction form
    89,485,575.90/123,471,577.03 = 52,308,666.55/x
  3. Step 3: Cross multiply
    89,485,575.90x = 123,471,577.03 × 52,308,666.55
  4. Step 4: Simplify right side
    89,485,575.90x = 6,458,633,551,264,909
  5. Step 5: Solve for x
    x = 6,458,633,551,264,909/89,485,575.90
  6. Step 6: Final answer
    x = 72,175,135.34

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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.