Home / 55,777,117.60-83,665,676.40-15,387,536.80

Finding the Fourth Proportional to 55,777,117.60, 83,665,676.40 and 15,387,536.80

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Solution

The fourth proportional to 55,777,117.60, 83,665,676.40 and 15,387,536.80 is: 23,081,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777,117.60 : 83,665,676.40 = 15,387,536.80 : x
  2. Step 2: Convert to fraction form
    55,777,117.60/83,665,676.40 = 15,387,536.80/x
  3. Step 3: Cross multiply
    55,777,117.60x = 83,665,676.40 × 15,387,536.80
  4. Step 4: Simplify right side
    55,777,117.60x = 1,287,408,674,501,891.75
  5. Step 5: Solve for x
    x = 1,287,408,674,501,891.75/55,777,117.60
  6. Step 6: Final answer
    x = 23,081,305.20

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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.