Home / 87,630,603.10-131,445,904.65-36,505,978.90

Finding the Fourth Proportional to 87,630,603.10, 131,445,904.65 and 36,505,978.90

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Solution

The fourth proportional to 87,630,603.10, 131,445,904.65 and 36,505,978.90 is: 54,758,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,630,603.10 : 131,445,904.65 = 36,505,978.90 : x
  2. Step 2: Convert to fraction form
    87,630,603.10/131,445,904.65 = 36,505,978.90/x
  3. Step 3: Cross multiply
    87,630,603.10x = 131,445,904.65 × 36,505,978.90
  4. Step 4: Simplify right side
    87,630,603.10x = 4,798,561,421,644,312
  5. Step 5: Solve for x
    x = 4,798,561,421,644,312/87,630,603.10
  6. Step 6: Final answer
    x = 54,758,968.35

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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.