Home / 48,285,405.60-72,428,108.40-36,947,997.60

Finding the Fourth Proportional to 48,285,405.60, 72,428,108.40 and 36,947,997.60

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Solution

The fourth proportional to 48,285,405.60, 72,428,108.40 and 36,947,997.60 is: 55,421,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285,405.60 : 72,428,108.40 = 36,947,997.60 : x
  2. Step 2: Convert to fraction form
    48,285,405.60/72,428,108.40 = 36,947,997.60/x
  3. Step 3: Cross multiply
    48,285,405.60x = 72,428,108.40 × 36,947,997.60
  4. Step 4: Simplify right side
    48,285,405.60x = 2,676,073,575,335,740
  5. Step 5: Solve for x
    x = 2,676,073,575,335,740/48,285,405.60
  6. Step 6: Final answer
    x = 55,421,996.40

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Similar ratio
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1.5x scale

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.