Home / 91,918,672.49-137,851,104.49-75,704,407.58

Finding the Fourth Proportional to 91,918,672.49, 137,851,104.49 and 75,704,407.58

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Solution

The fourth proportional to 91,918,672.49, 137,851,104.49 and 75,704,407.58 is: 113,534,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,918,672.49 : 137,851,104.49 = 75,704,407.58 : x
  2. Step 2: Convert to fraction form
    91,918,672.49/137,851,104.49 = 75,704,407.58/x
  3. Step 3: Cross multiply
    91,918,672.49x = 137,851,104.49 × 75,704,407.58
  4. Step 4: Simplify right side
    91,918,672.49x = 10,435,936,199,819,496
  5. Step 5: Solve for x
    x = 10,435,936,199,819,496/91,918,672.49
  6. Step 6: Final answer
    x = 113,534,452.98

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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.