Home / 69,984,001.60-104,976,002.40-31,720,249.60

Finding the Fourth Proportional to 69,984,001.60, 104,976,002.40 and 31,720,249.60

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Solution

The fourth proportional to 69,984,001.60, 104,976,002.40 and 31,720,249.60 is: 47,580,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,001.60 : 104,976,002.40 = 31,720,249.60 : x
  2. Step 2: Convert to fraction form
    69,984,001.60/104,976,002.40 = 31,720,249.60/x
  3. Step 3: Cross multiply
    69,984,001.60x = 104,976,002.40 × 31,720,249.60
  4. Step 4: Simplify right side
    69,984,001.60x = 3,329,864,998,138,199.50
  5. Step 5: Solve for x
    x = 3,329,864,998,138,199.50/69,984,001.60
  6. Step 6: Final answer
    x = 47,580,374.40

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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.