Home / 87,939,116.60-131,908,674.90-74,901,097.40

Finding the Fourth Proportional to 87,939,116.60, 131,908,674.90 and 74,901,097.40

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Solution

The fourth proportional to 87,939,116.60, 131,908,674.90 and 74,901,097.40 is: 112,351,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939,116.60 : 131,908,674.90 = 74,901,097.40 : x
  2. Step 2: Convert to fraction form
    87,939,116.60/131,908,674.90 = 74,901,097.40/x
  3. Step 3: Cross multiply
    87,939,116.60x = 131,908,674.90 × 74,901,097.40
  4. Step 4: Simplify right side
    87,939,116.60x = 9,880,104,506,589,836
  5. Step 5: Solve for x
    x = 9,880,104,506,589,836/87,939,116.60
  6. Step 6: Final answer
    x = 112,351,646.10

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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.