Home / 87,552,219.20-131,328,328.80-82,849,294.40

Finding the Fourth Proportional to 87,552,219.20, 131,328,328.80 and 82,849,294.40

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Solution

The fourth proportional to 87,552,219.20, 131,328,328.80 and 82,849,294.40 is: 124,273,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,219.20 : 131,328,328.80 = 82,849,294.40 : x
  2. Step 2: Convert to fraction form
    87,552,219.20/131,328,328.80 = 82,849,294.40/x
  3. Step 3: Cross multiply
    87,552,219.20x = 131,328,328.80 × 82,849,294.40
  4. Step 4: Simplify right side
    87,552,219.20x = 10,880,459,375,811,200
  5. Step 5: Solve for x
    x = 10,880,459,375,811,200/87,552,219.20
  6. Step 6: Final answer
    x = 124,273,941.60

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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.