Home / 247,487,617.40-371,514,861.30-145,309,227.80

Finding the Fourth Proportional to 247,487,617.40, 371,514,861.30 and 145,309,227.80

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Solution

The fourth proportional to 247,487,617.40, 371,514,861.30 and 145,309,227.80 is: 218,130,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,487,617.40 : 371,514,861.30 = 145,309,227.80 : x
  2. Step 2: Convert to fraction form
    247,487,617.40/371,514,861.30 = 145,309,227.80/x
  3. Step 3: Cross multiply
    247,487,617.40x = 371,514,861.30 × 145,309,227.80
  4. Step 4: Simplify right side
    247,487,617.40x = 53,984,537,611,727,112
  5. Step 5: Solve for x
    x = 53,984,537,611,727,112/247,487,617.40
  6. Step 6: Final answer
    x = 218,130,257.10

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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.