Home / 87,492,116.59-131,114,959.30-66,942,277.27

Finding the Fourth Proportional to 87,492,116.59, 131,114,959.30 and 66,942,277.27

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Solution

The fourth proportional to 87,492,116.59, 131,114,959.30 and 66,942,277.27 is: 100,319,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492,116.59 : 131,114,959.30 = 66,942,277.27 : x
  2. Step 2: Convert to fraction form
    87,492,116.59/131,114,959.30 = 66,942,277.27/x
  3. Step 3: Cross multiply
    87,492,116.59x = 131,114,959.30 × 66,942,277.27
  4. Step 4: Simplify right side
    87,492,116.59x = 8,777,133,959,461,255
  5. Step 5: Solve for x
    x = 8,777,133,959,461,255/87,492,116.59
  6. Step 6: Final answer
    x = 100,319,140.76

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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.