Home / 208,050,689.52-312,037,018.11-104,392,062.46

Finding the Fourth Proportional to 208,050,689.52, 312,037,018.11 and 104,392,062.46

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Solution

The fourth proportional to 208,050,689.52, 312,037,018.11 and 104,392,062.46 is: 156,568,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,050,689.52 : 312,037,018.11 = 104,392,062.46 : x
  2. Step 2: Convert to fraction form
    208,050,689.52/312,037,018.11 = 104,392,062.46/x
  3. Step 3: Cross multiply
    208,050,689.52x = 312,037,018.11 × 104,392,062.46
  4. Step 4: Simplify right side
    208,050,689.52x = 32,574,187,884,371,272
  5. Step 5: Solve for x
    x = 32,574,187,884,371,272/208,050,689.52
  6. Step 6: Final answer
    x = 156,568,516.83

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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.