Home / 94,691,470.80-142,037,206.20-91,857,118.80

Finding the Fourth Proportional to 94,691,470.80, 142,037,206.20 and 91,857,118.80

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Solution

The fourth proportional to 94,691,470.80, 142,037,206.20 and 91,857,118.80 is: 137,785,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,691,470.80 : 142,037,206.20 = 91,857,118.80 : x
  2. Step 2: Convert to fraction form
    94,691,470.80/142,037,206.20 = 91,857,118.80/x
  3. Step 3: Cross multiply
    94,691,470.80x = 142,037,206.20 × 91,857,118.80
  4. Step 4: Simplify right side
    94,691,470.80x = 13,047,128,523,933,496
  5. Step 5: Solve for x
    x = 13,047,128,523,933,496/94,691,470.80
  6. Step 6: Final answer
    x = 137,785,678.20

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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.