Home / 207,799,970.40-311,748,463.26-60,250,616.64

Finding the Fourth Proportional to 207,799,970.40, 311,748,463.26 and 60,250,616.64

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Solution

The fourth proportional to 207,799,970.40, 311,748,463.26 and 60,250,616.64 is: 90,389,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,799,970.40 : 311,748,463.26 = 60,250,616.64 : x
  2. Step 2: Convert to fraction form
    207,799,970.40/311,748,463.26 = 60,250,616.64/x
  3. Step 3: Cross multiply
    207,799,970.40x = 311,748,463.26 × 60,250,616.64
  4. Step 4: Simplify right side
    207,799,970.40x = 18,783,037,147,987,384
  5. Step 5: Solve for x
    x = 18,783,037,147,987,384/207,799,970.40
  6. Step 6: Final answer
    x = 90,389,989.53

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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.