Home / 247,007,020.46-340,870,205.62-135,498,761.74

Finding the Fourth Proportional to 247,007,020.46, 340,870,205.62 and 135,498,761.74

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Solution

The fourth proportional to 247,007,020.46, 340,870,205.62 and 135,498,761.74 is: 186,988,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,007,020.46 : 340,870,205.62 = 135,498,761.74 : x
  2. Step 2: Convert to fraction form
    247,007,020.46/340,870,205.62 = 135,498,761.74/x
  3. Step 3: Cross multiply
    247,007,020.46x = 340,870,205.62 × 135,498,761.74
  4. Step 4: Simplify right side
    247,007,020.46x = 46,187,490,773,187,352
  5. Step 5: Solve for x
    x = 46,187,490,773,187,352/247,007,020.46
  6. Step 6: Final answer
    x = 186,988,575.01

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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.