Home / 208,813,567.20-313,218,356.17-126,955,045.77

Finding the Fourth Proportional to 208,813,567.20, 313,218,356.17 and 126,955,045.77

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Solution

The fourth proportional to 208,813,567.20, 313,218,356.17 and 126,955,045.77 is: 190,431,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,813,567.20 : 313,218,356.17 = 126,955,045.77 : x
  2. Step 2: Convert to fraction form
    208,813,567.20/313,218,356.17 = 126,955,045.77/x
  3. Step 3: Cross multiply
    208,813,567.20x = 313,218,356.17 × 126,955,045.77
  4. Step 4: Simplify right side
    208,813,567.20x = 39,764,650,743,566,512
  5. Step 5: Solve for x
    x = 39,764,650,743,566,512/208,813,567.20
  6. Step 6: Final answer
    x = 190,431,355.95

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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.