Home / 91,488,985.20-137,107,506.60-60,696,025.20

Finding the Fourth Proportional to 91,488,985.20, 137,107,506.60 and 60,696,025.20

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Solution

The fourth proportional to 91,488,985.20, 137,107,506.60 and 60,696,025.20 is: 90,960,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,488,985.20 : 137,107,506.60 = 60,696,025.20 : x
  2. Step 2: Convert to fraction form
    91,488,985.20/137,107,506.60 = 60,696,025.20/x
  3. Step 3: Cross multiply
    91,488,985.20x = 137,107,506.60 × 60,696,025.20
  4. Step 4: Simplify right side
    91,488,985.20x = 8,321,880,675,702,766
  5. Step 5: Solve for x
    x = 8,321,880,675,702,766/91,488,985.20
  6. Step 6: Final answer
    x = 90,960,465.43

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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.