Home / 137,909,647.20-206,864,470.80-47,036,200.80

Finding the Fourth Proportional to 137,909,647.20, 206,864,470.80 and 47,036,200.80

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Solution

The fourth proportional to 137,909,647.20, 206,864,470.80 and 47,036,200.80 is: 70,554,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,909,647.20 : 206,864,470.80 = 47,036,200.80 : x
  2. Step 2: Convert to fraction form
    137,909,647.20/206,864,470.80 = 47,036,200.80/x
  3. Step 3: Cross multiply
    137,909,647.20x = 206,864,470.80 × 47,036,200.80
  4. Step 4: Simplify right side
    137,909,647.20x = 9,730,118,786,934,536
  5. Step 5: Solve for x
    x = 9,730,118,786,934,536/137,909,647.20
  6. Step 6: Final answer
    x = 70,554,301.20

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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.