Home / 45,399,437.60-68,099,156.40-42,936,000.80

Finding the Fourth Proportional to 45,399,437.60, 68,099,156.40 and 42,936,000.80

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Solution

The fourth proportional to 45,399,437.60, 68,099,156.40 and 42,936,000.80 is: 64,404,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399,437.60 : 68,099,156.40 = 42,936,000.80 : x
  2. Step 2: Convert to fraction form
    45,399,437.60/68,099,156.40 = 42,936,000.80/x
  3. Step 3: Cross multiply
    45,399,437.60x = 68,099,156.40 × 42,936,000.80
  4. Step 4: Simplify right side
    45,399,437.60x = 2,923,905,433,669,725
  5. Step 5: Solve for x
    x = 2,923,905,433,669,725/45,399,437.60
  6. Step 6: Final answer
    x = 64,404,001.20

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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.