Home / 207,247,358.40-311,070,103.20-105,126,705.60

Finding the Fourth Proportional to 207,247,358.40, 311,070,103.20 and 105,126,705.60

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Solution

The fourth proportional to 207,247,358.40, 311,070,103.20 and 105,126,705.60 is: 157,791,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,247,358.40 : 311,070,103.20 = 105,126,705.60 : x
  2. Step 2: Convert to fraction form
    207,247,358.40/311,070,103.20 = 105,126,705.60/x
  3. Step 3: Cross multiply
    207,247,358.40x = 311,070,103.20 × 105,126,705.60
  4. Step 4: Simplify right side
    207,247,358.40x = 32,701,775,160,068,016
  5. Step 5: Solve for x
    x = 32,701,775,160,068,016/207,247,358.40
  6. Step 6: Final answer
    x = 157,791,034.89

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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.