Home / 108,590,067.90-162,885,101.85-89,458,191.90

Finding the Fourth Proportional to 108,590,067.90, 162,885,101.85 and 89,458,191.90

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Solution

The fourth proportional to 108,590,067.90, 162,885,101.85 and 89,458,191.90 is: 134,187,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590,067.90 : 162,885,101.85 = 89,458,191.90 : x
  2. Step 2: Convert to fraction form
    108,590,067.90/162,885,101.85 = 89,458,191.90/x
  3. Step 3: Cross multiply
    108,590,067.90x = 162,885,101.85 × 89,458,191.90
  4. Step 4: Simplify right side
    108,590,067.90x = 14,571,406,698,948,346
  5. Step 5: Solve for x
    x = 14,571,406,698,948,346/108,590,067.90
  6. Step 6: Final answer
    x = 134,187,287.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.