Home / 80,468,200.80-120,634,066.80-29,320,394.40

Finding the Fourth Proportional to 80,468,200.80, 120,634,066.80 and 29,320,394.40

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Solution

The fourth proportional to 80,468,200.80, 120,634,066.80 and 29,320,394.40 is: 43,955,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,468,200.80 : 120,634,066.80 = 29,320,394.40 : x
  2. Step 2: Convert to fraction form
    80,468,200.80/120,634,066.80 = 29,320,394.40/x
  3. Step 3: Cross multiply
    80,468,200.80x = 120,634,066.80 × 29,320,394.40
  4. Step 4: Simplify right side
    80,468,200.80x = 3,537,038,416,651,945.50
  5. Step 5: Solve for x
    x = 3,537,038,416,651,945.50/80,468,200.80
  6. Step 6: Final answer
    x = 43,955,728.87

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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.