Home / 68,952,314.20-103,428,471.30-30,573,088.60

Finding the Fourth Proportional to 68,952,314.20, 103,428,471.30 and 30,573,088.60

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Solution

The fourth proportional to 68,952,314.20, 103,428,471.30 and 30,573,088.60 is: 45,859,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,952,314.20 : 103,428,471.30 = 30,573,088.60 : x
  2. Step 2: Convert to fraction form
    68,952,314.20/103,428,471.30 = 30,573,088.60/x
  3. Step 3: Cross multiply
    68,952,314.20x = 103,428,471.30 × 30,573,088.60
  4. Step 4: Simplify right side
    68,952,314.20x = 3,162,127,816,817,457
  5. Step 5: Solve for x
    x = 3,162,127,816,817,457/68,952,314.20
  6. Step 6: Final answer
    x = 45,859,632.90

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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.