Home / 68,712,114.61-94,825,027.20-40,449,387.86

Finding the Fourth Proportional to 68,712,114.61, 94,825,027.20 and 40,449,387.86

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Solution

The fourth proportional to 68,712,114.61, 94,825,027.20 and 40,449,387.86 is: 55,821,514.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,712,114.61 : 94,825,027.20 = 40,449,387.86 : x
  2. Step 2: Convert to fraction form
    68,712,114.61/94,825,027.20 = 40,449,387.86/x
  3. Step 3: Cross multiply
    68,712,114.61x = 94,825,027.20 × 40,449,387.86
  4. Step 4: Simplify right side
    68,712,114.61x = 3,835,614,303,853,463
  5. Step 5: Solve for x
    x = 3,835,614,303,853,463/68,712,114.61
  6. Step 6: Final answer
    x = 55,821,514.53

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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.