Home / 45,445,761.36-68,170,041.72-19,873,607.76

Finding the Fourth Proportional to 45,445,761.36, 68,170,041.72 and 19,873,607.76

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Solution

The fourth proportional to 45,445,761.36, 68,170,041.72 and 19,873,607.76 is: 29,811,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,445,761.36 : 68,170,041.72 = 19,873,607.76 : x
  2. Step 2: Convert to fraction form
    45,445,761.36/68,170,041.72 = 19,873,607.76/x
  3. Step 3: Cross multiply
    45,445,761.36x = 68,170,041.72 × 19,873,607.76
  4. Step 4: Simplify right side
    45,445,761.36x = 1,354,784,670,126,115.75
  5. Step 5: Solve for x
    x = 1,354,784,670,126,115.75/45,445,761.36
  6. Step 6: Final answer
    x = 29,811,023.73

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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.