Home / 67,160,748.80-100,766,006.40-64,672,428.80

Finding the Fourth Proportional to 67,160,748.80, 100,766,006.40 and 64,672,428.80

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Solution

The fourth proportional to 67,160,748.80, 100,766,006.40 and 64,672,428.80 is: 97,032,604.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,160,748.80 : 100,766,006.40 = 64,672,428.80 : x
  2. Step 2: Convert to fraction form
    67,160,748.80/100,766,006.40 = 64,672,428.80/x
  3. Step 3: Cross multiply
    67,160,748.80x = 100,766,006.40 × 64,672,428.80
  4. Step 4: Simplify right side
    67,160,748.80x = 6,516,782,374,364,344
  5. Step 5: Solve for x
    x = 6,516,782,374,364,344/67,160,748.80
  6. Step 6: Final answer
    x = 97,032,604.47

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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.