Home / 87,630,603.60-131,445,905.40-36,505,979.40

Finding the Fourth Proportional to 87,630,603.60, 131,445,905.40 and 36,505,979.40

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Solution

The fourth proportional to 87,630,603.60, 131,445,905.40 and 36,505,979.40 is: 54,758,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,630,603.60 : 131,445,905.40 = 36,505,979.40 : x
  2. Step 2: Convert to fraction form
    87,630,603.60/131,445,905.40 = 36,505,979.40/x
  3. Step 3: Cross multiply
    87,630,603.60x = 131,445,905.40 × 36,505,979.40
  4. Step 4: Simplify right side
    87,630,603.60x = 4,798,561,514,746,749
  5. Step 5: Solve for x
    x = 4,798,561,514,746,749/87,630,603.60
  6. Step 6: Final answer
    x = 54,758,969.10

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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.