Home / 80,001,780.10-120,001,795.35-19,417,506.10

Finding the Fourth Proportional to 80,001,780.10, 120,001,795.35 and 19,417,506.10

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Solution

The fourth proportional to 80,001,780.10, 120,001,795.35 and 19,417,506.10 is: 29,126,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,001,780.10 : 120,001,795.35 = 19,417,506.10 : x
  2. Step 2: Convert to fraction form
    80,001,780.10/120,001,795.35 = 19,417,506.10/x
  3. Step 3: Cross multiply
    80,001,780.10x = 120,001,795.35 × 19,417,506.10
  4. Step 4: Simplify right side
    80,001,780.10x = 2,330,135,592,846,756.50
  5. Step 5: Solve for x
    x = 2,330,135,592,846,756.50/80,001,780.10
  6. Step 6: Final answer
    x = 29,126,046.82

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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.