Home / 284,813,855.73-427,285,212.66-90,736,326.45

Finding the Fourth Proportional to 284,813,855.73, 427,285,212.66 and 90,736,326.45

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Solution

The fourth proportional to 284,813,855.73, 427,285,212.66 and 90,736,326.45 is: 136,125,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,813,855.73 : 427,285,212.66 = 90,736,326.45 : x
  2. Step 2: Convert to fraction form
    284,813,855.73/427,285,212.66 = 90,736,326.45/x
  3. Step 3: Cross multiply
    284,813,855.73x = 427,285,212.66 × 90,736,326.45
  4. Step 4: Simplify right side
    284,813,855.73x = 38,770,290,543,175,440
  5. Step 5: Solve for x
    x = 38,770,290,543,175,440/284,813,855.73
  6. Step 6: Final answer
    x = 136,125,015.56

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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.