Home / 56,536,559.89-78,022,347.17-31,419,727.64

Finding the Fourth Proportional to 56,536,559.89, 78,022,347.17 and 31,419,727.64

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Solution

The fourth proportional to 56,536,559.89, 78,022,347.17 and 31,419,727.64 is: 43,360,277.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,536,559.89 : 78,022,347.17 = 31,419,727.64 : x
  2. Step 2: Convert to fraction form
    56,536,559.89/78,022,347.17 = 31,419,727.64/x
  3. Step 3: Cross multiply
    56,536,559.89x = 78,022,347.17 × 31,419,727.64
  4. Step 4: Simplify right side
    56,536,559.89x = 2,451,440,897,367,714.50
  5. Step 5: Solve for x
    x = 2,451,440,897,367,714.50/56,536,559.89
  6. Step 6: Final answer
    x = 43,360,277.00

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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.