Home / 91,889,398.46-137,750,672.12-45,845,350.22

Finding the Fourth Proportional to 91,889,398.46, 137,750,672.12 and 45,845,350.22

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Solution

The fourth proportional to 91,889,398.46, 137,750,672.12 and 45,845,350.22 is: 68,726,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,889,398.46 : 137,750,672.12 = 45,845,350.22 : x
  2. Step 2: Convert to fraction form
    91,889,398.46/137,750,672.12 = 45,845,350.22/x
  3. Step 3: Cross multiply
    91,889,398.46x = 137,750,672.12 × 45,845,350.22
  4. Step 4: Simplify right side
    91,889,398.46x = 6,315,227,805,463,811
  5. Step 5: Solve for x
    x = 6,315,227,805,463,811/91,889,398.46
  6. Step 6: Final answer
    x = 68,726,402.74

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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.