Home / 137,520,156.80-206,209,376.40-51,214,138.40

Finding the Fourth Proportional to 137,520,156.80, 206,209,376.40 and 51,214,138.40

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Solution

The fourth proportional to 137,520,156.80, 206,209,376.40 and 51,214,138.40 is: 76,794,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,520,156.80 : 206,209,376.40 = 51,214,138.40 : x
  2. Step 2: Convert to fraction form
    137,520,156.80/206,209,376.40 = 51,214,138.40/x
  3. Step 3: Cross multiply
    137,520,156.80x = 206,209,376.40 × 51,214,138.40
  4. Step 4: Simplify right side
    137,520,156.80x = 10,560,835,542,327,294
  5. Step 5: Solve for x
    x = 10,560,835,542,327,294/137,520,156.80
  6. Step 6: Final answer
    x = 76,794,818.94

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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.