Home / 55,777,115.10-83,665,672.65-15,387,534.30

Finding the Fourth Proportional to 55,777,115.10, 83,665,672.65 and 15,387,534.30

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Solution

The fourth proportional to 55,777,115.10, 83,665,672.65 and 15,387,534.30 is: 23,081,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777,115.10 : 83,665,672.65 = 15,387,534.30 : x
  2. Step 2: Convert to fraction form
    55,777,115.10/83,665,672.65 = 15,387,534.30/x
  3. Step 3: Cross multiply
    55,777,115.10x = 83,665,672.65 × 15,387,534.30
  4. Step 4: Simplify right side
    55,777,115.10x = 1,287,408,407,634,447
  5. Step 5: Solve for x
    x = 1,287,408,407,634,447/55,777,115.10
  6. Step 6: Final answer
    x = 23,081,301.45

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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.