Home / 187,459,579.80-280,711,072.80-149,195,827.80

Finding the Fourth Proportional to 187,459,579.80, 280,711,072.80 and 149,195,827.80

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Solution

The fourth proportional to 187,459,579.80, 280,711,072.80 and 149,195,827.80 is: 223,413,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,459,579.80 : 280,711,072.80 = 149,195,827.80 : x
  2. Step 2: Convert to fraction form
    187,459,579.80/280,711,072.80 = 149,195,827.80/x
  3. Step 3: Cross multiply
    187,459,579.80x = 280,711,072.80 × 149,195,827.80
  4. Step 4: Simplify right side
    187,459,579.80x = 41,880,920,879,022,072
  5. Step 5: Solve for x
    x = 41,880,920,879,022,072/187,459,579.80
  6. Step 6: Final answer
    x = 223,413,073.49

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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.