Home / 102,397,316.40-153,595,974.60-67,959,939.60

Finding the Fourth Proportional to 102,397,316.40, 153,595,974.60 and 67,959,939.60

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Solution

The fourth proportional to 102,397,316.40, 153,595,974.60 and 67,959,939.60 is: 101,939,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,397,316.40 : 153,595,974.60 = 67,959,939.60 : x
  2. Step 2: Convert to fraction form
    102,397,316.40/153,595,974.60 = 67,959,939.60/x
  3. Step 3: Cross multiply
    102,397,316.40x = 153,595,974.60 × 67,959,939.60
  4. Step 4: Simplify right side
    102,397,316.40x = 10,438,373,156,619,132
  5. Step 5: Solve for x
    x = 10,438,373,156,619,132/102,397,316.40
  6. Step 6: Final answer
    x = 101,939,909.40

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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.