Home / 207,799,975.90-311,748,471.51-60,250,622.14

Finding the Fourth Proportional to 207,799,975.90, 311,748,471.51 and 60,250,622.14

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Solution

The fourth proportional to 207,799,975.90, 311,748,471.51 and 60,250,622.14 is: 90,389,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,799,975.90 : 311,748,471.51 = 60,250,622.14 : x
  2. Step 2: Convert to fraction form
    207,799,975.90/311,748,471.51 = 60,250,622.14/x
  3. Step 3: Cross multiply
    207,799,975.90x = 311,748,471.51 × 60,250,622.14
  4. Step 4: Simplify right side
    207,799,975.90x = 18,783,039,359,671,564
  5. Step 5: Solve for x
    x = 18,783,039,359,671,564/207,799,975.90
  6. Step 6: Final answer
    x = 90,389,997.78

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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.