Home / 57,701,018.12-79,627,422.15-31,239,366.69

Finding the Fourth Proportional to 57,701,018.12, 79,627,422.15 and 31,239,366.69

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Solution

The fourth proportional to 57,701,018.12, 79,627,422.15 and 31,239,366.69 is: 43,110,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701,018.12 : 79,627,422.15 = 31,239,366.69 : x
  2. Step 2: Convert to fraction form
    57,701,018.12/79,627,422.15 = 31,239,366.69/x
  3. Step 3: Cross multiply
    57,701,018.12x = 79,627,422.15 × 31,239,366.69
  4. Step 4: Simplify right side
    57,701,018.12x = 2,487,510,239,123,278.50
  5. Step 5: Solve for x
    x = 2,487,510,239,123,278.50/57,701,018.12
  6. Step 6: Final answer
    x = 43,110,335.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.