Home / 286,011,034.80-429,016,552.20-221,440,953.30

Finding the Fourth Proportional to 286,011,034.80, 429,016,552.20 and 221,440,953.30

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Solution

The fourth proportional to 286,011,034.80, 429,016,552.20 and 221,440,953.30 is: 332,161,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,011,034.80 : 429,016,552.20 = 221,440,953.30 : x
  2. Step 2: Convert to fraction form
    286,011,034.80/429,016,552.20 = 221,440,953.30/x
  3. Step 3: Cross multiply
    286,011,034.80x = 429,016,552.20 × 221,440,953.30
  4. Step 4: Simplify right side
    286,011,034.80x = 95,001,834,300,647,216
  5. Step 5: Solve for x
    x = 95,001,834,300,647,216/286,011,034.80
  6. Step 6: Final answer
    x = 332,161,429.95

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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.