Home / 80,743,933.91-111,425,207.10-45,935,882.48

Finding the Fourth Proportional to 80,743,933.91, 111,425,207.10 and 45,935,882.48

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Solution

The fourth proportional to 80,743,933.91, 111,425,207.10 and 45,935,882.48 is: 63,390,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,743,933.91 : 111,425,207.10 = 45,935,882.48 : x
  2. Step 2: Convert to fraction form
    80,743,933.91/111,425,207.10 = 45,935,882.48/x
  3. Step 3: Cross multiply
    80,743,933.91x = 111,425,207.10 × 45,935,882.48
  4. Step 4: Simplify right side
    80,743,933.91x = 5,118,415,218,655,261
  5. Step 5: Solve for x
    x = 5,118,415,218,655,261/80,743,933.91
  6. Step 6: Final answer
    x = 63,390,709.01

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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.