Home / 354,293,634.60-531,440,451.90-98,992,002.60

Finding the Fourth Proportional to 354,293,634.60, 531,440,451.90 and 98,992,002.60

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Solution

The fourth proportional to 354,293,634.60, 531,440,451.90 and 98,992,002.60 is: 148,488,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,293,634.60 : 531,440,451.90 = 98,992,002.60 : x
  2. Step 2: Convert to fraction form
    354,293,634.60/531,440,451.90 = 98,992,002.60/x
  3. Step 3: Cross multiply
    354,293,634.60x = 531,440,451.90 × 98,992,002.60
  4. Step 4: Simplify right side
    354,293,634.60x = 52,608,354,596,229,968
  5. Step 5: Solve for x
    x = 52,608,354,596,229,968/354,293,634.60
  6. Step 6: Final answer
    x = 148,488,003.90

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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.