Home / 284,813,854.97-427,285,211.54-90,736,325.69

Finding the Fourth Proportional to 284,813,854.97, 427,285,211.54 and 90,736,325.69

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Solution

The fourth proportional to 284,813,854.97, 427,285,211.54 and 90,736,325.69 is: 136,125,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,813,854.97 : 427,285,211.54 = 90,736,325.69 : x
  2. Step 2: Convert to fraction form
    284,813,854.97/427,285,211.54 = 90,736,325.69/x
  3. Step 3: Cross multiply
    284,813,854.97x = 427,285,211.54 × 90,736,325.69
  4. Step 4: Simplify right side
    284,813,854.97x = 38,770,290,114,223,880
  5. Step 5: Solve for x
    x = 38,770,290,114,223,880/284,813,854.97
  6. Step 6: Final answer
    x = 136,125,014.42

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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.