Home / 203,487,475.28-305,367,275.34-86,930,070.44

Finding the Fourth Proportional to 203,487,475.28, 305,367,275.34 and 86,930,070.44

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Solution

The fourth proportional to 203,487,475.28, 305,367,275.34 and 86,930,070.44 is: 130,453,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,487,475.28 : 305,367,275.34 = 86,930,070.44 : x
  2. Step 2: Convert to fraction form
    203,487,475.28/305,367,275.34 = 86,930,070.44/x
  3. Step 3: Cross multiply
    203,487,475.28x = 305,367,275.34 × 86,930,070.44
  4. Step 4: Simplify right side
    203,487,475.28x = 26,545,598,755,377,072
  5. Step 5: Solve for x
    x = 26,545,598,755,377,072/203,487,475.28
  6. Step 6: Final answer
    x = 130,453,231.67

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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.