Home / 90,904,086.81-136,375,280.63-29,488,450.04

Finding the Fourth Proportional to 90,904,086.81, 136,375,280.63 and 29,488,450.04

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Solution

The fourth proportional to 90,904,086.81, 136,375,280.63 and 29,488,450.04 is: 44,238,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,904,086.81 : 136,375,280.63 = 29,488,450.04 : x
  2. Step 2: Convert to fraction form
    90,904,086.81/136,375,280.63 = 29,488,450.04/x
  3. Step 3: Cross multiply
    90,904,086.81x = 136,375,280.63 × 29,488,450.04
  4. Step 4: Simplify right side
    90,904,086.81x = 4,021,495,648,719,416
  5. Step 5: Solve for x
    x = 4,021,495,648,719,416/90,904,086.81
  6. Step 6: Final answer
    x = 44,238,887.27

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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.