Home / 282,055,639.18-422,860,947.72-178,205,951.59

Finding the Fourth Proportional to 282,055,639.18, 422,860,947.72 and 178,205,951.59

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Solution

The fourth proportional to 282,055,639.18, 422,860,947.72 and 178,205,951.59 is: 267,168,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,055,639.18 : 422,860,947.72 = 178,205,951.59 : x
  2. Step 2: Convert to fraction form
    282,055,639.18/422,860,947.72 = 178,205,951.59/x
  3. Step 3: Cross multiply
    282,055,639.18x = 422,860,947.72 × 178,205,951.59
  4. Step 4: Simplify right side
    282,055,639.18x = 75,356,337,578,691,840
  5. Step 5: Solve for x
    x = 75,356,337,578,691,840/282,055,639.18
  6. Step 6: Final answer
    x = 267,168,342.38

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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.