Home / 80,743,940.30-111,425,215.86-45,935,888.84

Finding the Fourth Proportional to 80,743,940.30, 111,425,215.86 and 45,935,888.84

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Solution

The fourth proportional to 80,743,940.30, 111,425,215.86 and 45,935,888.84 is: 63,390,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,743,940.30 : 111,425,215.86 = 45,935,888.84 : x
  2. Step 2: Convert to fraction form
    80,743,940.30/111,425,215.86 = 45,935,888.84/x
  3. Step 3: Cross multiply
    80,743,940.30x = 111,425,215.86 × 45,935,888.84
  4. Step 4: Simplify right side
    80,743,940.30x = 5,118,416,329,717,965
  5. Step 5: Solve for x
    x = 5,118,416,329,717,965/80,743,940.30
  6. Step 6: Final answer
    x = 63,390,717.75

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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.