Home / 80,932,173.91-111,679,652.14-45,648,034.45

Finding the Fourth Proportional to 80,932,173.91, 111,679,652.14 and 45,648,034.45

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Solution

The fourth proportional to 80,932,173.91, 111,679,652.14 and 45,648,034.45 is: 62,990,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,932,173.91 : 111,679,652.14 = 45,648,034.45 : x
  2. Step 2: Convert to fraction form
    80,932,173.91/111,679,652.14 = 45,648,034.45/x
  3. Step 3: Cross multiply
    80,932,173.91x = 111,679,652.14 × 45,648,034.45
  4. Step 4: Simplify right side
    80,932,173.91x = 5,097,956,607,857,417
  5. Step 5: Solve for x
    x = 5,097,956,607,857,417/80,932,173.91
  6. Step 6: Final answer
    x = 62,990,481.56

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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.