Home / 108,109,897.72-149,190,919.40-58,549,131.60

Finding the Fourth Proportional to 108,109,897.72, 149,190,919.40 and 58,549,131.60

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Solution

The fourth proportional to 108,109,897.72, 149,190,919.40 and 58,549,131.60 is: 80,797,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,109,897.72 : 149,190,919.40 = 58,549,131.60 : x
  2. Step 2: Convert to fraction form
    108,109,897.72/149,190,919.40 = 58,549,131.60/x
  3. Step 3: Cross multiply
    108,109,897.72x = 149,190,919.40 × 58,549,131.60
  4. Step 4: Simplify right side
    108,109,897.72x = 8,734,998,773,475,594
  5. Step 5: Solve for x
    x = 8,734,998,773,475,594/108,109,897.72
  6. Step 6: Final answer
    x = 80,797,401.14

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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.