Home / 47,442,171.60-71,163,257.40-40,285,432.80

Finding the Fourth Proportional to 47,442,171.60, 71,163,257.40 and 40,285,432.80

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Solution

The fourth proportional to 47,442,171.60, 71,163,257.40 and 40,285,432.80 is: 60,428,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,442,171.60 : 71,163,257.40 = 40,285,432.80 : x
  2. Step 2: Convert to fraction form
    47,442,171.60/71,163,257.40 = 40,285,432.80/x
  3. Step 3: Cross multiply
    47,442,171.60x = 71,163,257.40 × 40,285,432.80
  4. Step 4: Simplify right side
    47,442,171.60x = 2,866,842,623,816,802.50
  5. Step 5: Solve for x
    x = 2,866,842,623,816,802.50/47,442,171.60
  6. Step 6: Final answer
    x = 60,428,149.20

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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.