Home / 94,068,149.12-140,969,895.60-74,813,451.20

Finding the Fourth Proportional to 94,068,149.12, 140,969,895.60 and 74,813,451.20

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Solution

The fourth proportional to 94,068,149.12, 140,969,895.60 and 74,813,451.20 is: 112,114,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,068,149.12 : 140,969,895.60 = 74,813,451.20 : x
  2. Step 2: Convert to fraction form
    94,068,149.12/140,969,895.60 = 74,813,451.20/x
  3. Step 3: Cross multiply
    94,068,149.12x = 140,969,895.60 × 74,813,451.20
  4. Step 4: Simplify right side
    94,068,149.12x = 10,546,444,405,139,694
  5. Step 5: Solve for x
    x = 10,546,444,405,139,694/94,068,149.12
  6. Step 6: Final answer
    x = 112,114,934.80

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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.