Home / 87,939,116.10-131,908,674.15-74,901,096.90

Finding the Fourth Proportional to 87,939,116.10, 131,908,674.15 and 74,901,096.90

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Solution

The fourth proportional to 87,939,116.10, 131,908,674.15 and 74,901,096.90 is: 112,351,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939,116.10 : 131,908,674.15 = 74,901,096.90 : x
  2. Step 2: Convert to fraction form
    87,939,116.10/131,908,674.15 = 74,901,096.90/x
  3. Step 3: Cross multiply
    87,939,116.10x = 131,908,674.15 × 74,901,096.90
  4. Step 4: Simplify right side
    87,939,116.10x = 9,880,104,384,459,676
  5. Step 5: Solve for x
    x = 9,880,104,384,459,676/87,939,116.10
  6. Step 6: Final answer
    x = 112,351,645.35

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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.