Home / 215,873,269.40-323,697,929.70-79,488,450.20

Finding the Fourth Proportional to 215,873,269.40, 323,697,929.70 and 79,488,450.20

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Solution

The fourth proportional to 215,873,269.40, 323,697,929.70 and 79,488,450.20 is: 119,191,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,873,269.40 : 323,697,929.70 = 79,488,450.20 : x
  2. Step 2: Convert to fraction form
    215,873,269.40/323,697,929.70 = 79,488,450.20/x
  3. Step 3: Cross multiply
    215,873,269.40x = 323,697,929.70 × 79,488,450.20
  4. Step 4: Simplify right side
    215,873,269.40x = 25,730,246,764,801,552
  5. Step 5: Solve for x
    x = 25,730,246,764,801,552/215,873,269.40
  6. Step 6: Final answer
    x = 119,191,444.30

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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.