Home / 91,562,757.60-137,344,136.40-67,169,615.70

Finding the Fourth Proportional to 91,562,757.60, 137,344,136.40 and 67,169,615.70

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Solution

The fourth proportional to 91,562,757.60, 137,344,136.40 and 67,169,615.70 is: 100,754,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,562,757.60 : 137,344,136.40 = 67,169,615.70 : x
  2. Step 2: Convert to fraction form
    91,562,757.60/137,344,136.40 = 67,169,615.70/x
  3. Step 3: Cross multiply
    91,562,757.60x = 137,344,136.40 × 67,169,615.70
  4. Step 4: Simplify right side
    91,562,757.60x = 9,225,352,860,636,382
  5. Step 5: Solve for x
    x = 9,225,352,860,636,382/91,562,757.60
  6. Step 6: Final answer
    x = 100,754,423.55

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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.