Home / 68,952,341.70-103,428,512.55-30,573,116.10

Finding the Fourth Proportional to 68,952,341.70, 103,428,512.55 and 30,573,116.10

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Solution

The fourth proportional to 68,952,341.70, 103,428,512.55 and 30,573,116.10 is: 45,859,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,952,341.70 : 103,428,512.55 = 30,573,116.10 : x
  2. Step 2: Convert to fraction form
    68,952,341.70/103,428,512.55 = 30,573,116.10/x
  3. Step 3: Cross multiply
    68,952,341.70x = 103,428,512.55 × 30,573,116.10
  4. Step 4: Simplify right side
    68,952,341.70x = 3,162,131,922,241,457
  5. Step 5: Solve for x
    x = 3,162,131,922,241,457/68,952,341.70
  6. Step 6: Final answer
    x = 45,859,674.15

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Similar ratio
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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.