Home / 157,169,274.40-235,753,911.60-80,641,770.40

Finding the Fourth Proportional to 157,169,274.40, 235,753,911.60 and 80,641,770.40

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Solution

The fourth proportional to 157,169,274.40, 235,753,911.60 and 80,641,770.40 is: 120,962,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,169,274.40 : 235,753,911.60 = 80,641,770.40 : x
  2. Step 2: Convert to fraction form
    157,169,274.40/235,753,911.60 = 80,641,770.40/x
  3. Step 3: Cross multiply
    157,169,274.40x = 235,753,911.60 × 80,641,770.40
  4. Step 4: Simplify right side
    157,169,274.40x = 19,011,612,810,149,096
  5. Step 5: Solve for x
    x = 19,011,612,810,149,096/157,169,274.40
  6. Step 6: Final answer
    x = 120,962,655.60

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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.