Home / 57,221,247.96-78,962,918.45-32,443,101.72

Finding the Fourth Proportional to 57,221,247.96, 78,962,918.45 and 32,443,101.72

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Solution

The fourth proportional to 57,221,247.96, 78,962,918.45 and 32,443,101.72 is: 44,770,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,221,247.96 : 78,962,918.45 = 32,443,101.72 : x
  2. Step 2: Convert to fraction form
    57,221,247.96/78,962,918.45 = 32,443,101.72/x
  3. Step 3: Cross multiply
    57,221,247.96x = 78,962,918.45 × 32,443,101.72
  4. Step 4: Simplify right side
    57,221,247.96x = 2,561,801,995,219,199
  5. Step 5: Solve for x
    x = 2,561,801,995,219,199/57,221,247.96
  6. Step 6: Final answer
    x = 44,770,117.51

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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.