Home / 355,023,511.30-532,535,266.95-200,055,315.70

Finding the Fourth Proportional to 355,023,511.30, 532,535,266.95 and 200,055,315.70

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Solution

The fourth proportional to 355,023,511.30, 532,535,266.95 and 200,055,315.70 is: 300,082,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,023,511.30 : 532,535,266.95 = 200,055,315.70 : x
  2. Step 2: Convert to fraction form
    355,023,511.30/532,535,266.95 = 200,055,315.70/x
  3. Step 3: Cross multiply
    355,023,511.30x = 532,535,266.95 × 200,055,315.70
  4. Step 4: Simplify right side
    355,023,511.30x = 106,536,510,951,066,016
  5. Step 5: Solve for x
    x = 106,536,510,951,066,016/355,023,511.30
  6. Step 6: Final answer
    x = 300,082,973.55

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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.