Home / 68,952,400.70-103,428,601.05-30,573,175.10

Finding the Fourth Proportional to 68,952,400.70, 103,428,601.05 and 30,573,175.10

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Solution

The fourth proportional to 68,952,400.70, 103,428,601.05 and 30,573,175.10 is: 45,859,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,952,400.70 : 103,428,601.05 = 30,573,175.10 : x
  2. Step 2: Convert to fraction form
    68,952,400.70/103,428,601.05 = 30,573,175.10/x
  3. Step 3: Cross multiply
    68,952,400.70x = 103,428,601.05 × 30,573,175.10
  4. Step 4: Simplify right side
    68,952,400.70x = 3,162,140,730,249,694
  5. Step 5: Solve for x
    x = 3,162,140,730,249,694/68,952,400.70
  6. Step 6: Final answer
    x = 45,859,762.65

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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.