Home / 71,282,668.32-98,414,510.76-48,994,032.78

Finding the Fourth Proportional to 71,282,668.32, 98,414,510.76 and 48,994,032.78

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Solution

The fourth proportional to 71,282,668.32, 98,414,510.76 and 48,994,032.78 is: 67,642,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,282,668.32 : 98,414,510.76 = 48,994,032.78 : x
  2. Step 2: Convert to fraction form
    71,282,668.32/98,414,510.76 = 48,994,032.78/x
  3. Step 3: Cross multiply
    71,282,668.32x = 98,414,510.76 × 48,994,032.78
  4. Step 4: Simplify right side
    71,282,668.32x = 4,821,723,766,203,103
  5. Step 5: Solve for x
    x = 4,821,723,766,203,103/71,282,668.32
  6. Step 6: Final answer
    x = 67,642,301.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.