Home / 66,948,767.88-100,461,895.92-28,083,739.32

Finding the Fourth Proportional to 66,948,767.88, 100,461,895.92 and 28,083,739.32

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Solution

The fourth proportional to 66,948,767.88, 100,461,895.92 and 28,083,739.32 is: 42,141,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,948,767.88 : 100,461,895.92 = 28,083,739.32 : x
  2. Step 2: Convert to fraction form
    66,948,767.88/100,461,895.92 = 28,083,739.32/x
  3. Step 3: Cross multiply
    66,948,767.88x = 100,461,895.92 × 28,083,739.32
  4. Step 4: Simplify right side
    66,948,767.88x = 2,821,345,696,610,251.50
  5. Step 5: Solve for x
    x = 2,821,345,696,610,251.50/66,948,767.88
  6. Step 6: Final answer
    x = 42,141,861.40

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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.