Home / 82,005,719.72-113,170,255.14-45,338,652.68

Finding the Fourth Proportional to 82,005,719.72, 113,170,255.14 and 45,338,652.68

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Solution

The fourth proportional to 82,005,719.72, 113,170,255.14 and 45,338,652.68 is: 62,568,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,719.72 : 113,170,255.14 = 45,338,652.68 : x
  2. Step 2: Convert to fraction form
    82,005,719.72/113,170,255.14 = 45,338,652.68/x
  3. Step 3: Cross multiply
    82,005,719.72x = 113,170,255.14 × 45,338,652.68
  4. Step 4: Simplify right side
    82,005,719.72x = 5,130,986,891,499,445
  5. Step 5: Solve for x
    x = 5,130,986,891,499,445/82,005,719.72
  6. Step 6: Final answer
    x = 62,568,646.54

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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.