Home / 66,901,423.92-100,354,857.24-31,868,528.88

Finding the Fourth Proportional to 66,901,423.92, 100,354,857.24 and 31,868,528.88

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Solution

The fourth proportional to 66,901,423.92, 100,354,857.24 and 31,868,528.88 is: 47,804,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,901,423.92 : 100,354,857.24 = 31,868,528.88 : x
  2. Step 2: Convert to fraction form
    66,901,423.92/100,354,857.24 = 31,868,528.88/x
  3. Step 3: Cross multiply
    66,901,423.92x = 100,354,857.24 × 31,868,528.88
  4. Step 4: Simplify right side
    66,901,423.92x = 3,198,161,666,201,217
  5. Step 5: Solve for x
    x = 3,198,161,666,201,217/66,901,423.92
  6. Step 6: Final answer
    x = 47,804,089.64

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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.