Home / 63,877,809.70-95,830,711.35-20,739,672.10

Finding the Fourth Proportional to 63,877,809.70, 95,830,711.35 and 20,739,672.10

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Solution

The fourth proportional to 63,877,809.70, 95,830,711.35 and 20,739,672.10 is: 31,114,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,877,809.70 : 95,830,711.35 = 20,739,672.10 : x
  2. Step 2: Convert to fraction form
    63,877,809.70/95,830,711.35 = 20,739,672.10/x
  3. Step 3: Cross multiply
    63,877,809.70x = 95,830,711.35 × 20,739,672.10
  4. Step 4: Simplify right side
    63,877,809.70x = 1,987,497,530,508,748.25
  5. Step 5: Solve for x
    x = 1,987,497,530,508,748.25/63,877,809.70
  6. Step 6: Final answer
    x = 31,114,052.59

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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.