Home / 219,810,953.52-303,343,454.30-120,690,833.72

Finding the Fourth Proportional to 219,810,953.52, 303,343,454.30 and 120,690,833.72

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Solution

The fourth proportional to 219,810,953.52, 303,343,454.30 and 120,690,833.72 is: 166,555,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,810,953.52 : 303,343,454.30 = 120,690,833.72 : x
  2. Step 2: Convert to fraction form
    219,810,953.52/303,343,454.30 = 120,690,833.72/x
  3. Step 3: Cross multiply
    219,810,953.52x = 303,343,454.30 × 120,690,833.72
  4. Step 4: Simplify right side
    219,810,953.52x = 36,610,774,400,851,552
  5. Step 5: Solve for x
    x = 36,610,774,400,851,552/219,810,953.52
  6. Step 6: Final answer
    x = 166,555,732.62

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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.