Home / 56,125,620.60-84,125,445.30-31,876,164.60

Finding the Fourth Proportional to 56,125,620.60, 84,125,445.30 and 31,876,164.60

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Solution

The fourth proportional to 56,125,620.60, 84,125,445.30 and 31,876,164.60 is: 47,778,474.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,125,620.60 : 84,125,445.30 = 31,876,164.60 : x
  2. Step 2: Convert to fraction form
    56,125,620.60/84,125,445.30 = 31,876,164.60/x
  3. Step 3: Cross multiply
    56,125,620.60x = 84,125,445.30 × 31,876,164.60
  4. Step 4: Simplify right side
    56,125,620.60x = 2,681,596,541,431,096.50
  5. Step 5: Solve for x
    x = 2,681,596,541,431,096.50/56,125,620.60
  6. Step 6: Final answer
    x = 47,778,474.66

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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.