Home / 357,438,920.40-536,158,380.60-127,324,967.40

Finding the Fourth Proportional to 357,438,920.40, 536,158,380.60 and 127,324,967.40

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Solution

The fourth proportional to 357,438,920.40, 536,158,380.60 and 127,324,967.40 is: 190,987,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,438,920.40 : 536,158,380.60 = 127,324,967.40 : x
  2. Step 2: Convert to fraction form
    357,438,920.40/536,158,380.60 = 127,324,967.40/x
  3. Step 3: Cross multiply
    357,438,920.40x = 536,158,380.60 × 127,324,967.40
  4. Step 4: Simplify right side
    357,438,920.40x = 68,266,348,331,131,800
  5. Step 5: Solve for x
    x = 68,266,348,331,131,800/357,438,920.40
  6. Step 6: Final answer
    x = 190,987,451.10

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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.