Home / 137,359,938.40-206,039,907.60-35,131,976.80

Finding the Fourth Proportional to 137,359,938.40, 206,039,907.60 and 35,131,976.80

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Solution

The fourth proportional to 137,359,938.40, 206,039,907.60 and 35,131,976.80 is: 52,697,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,359,938.40 : 206,039,907.60 = 35,131,976.80 : x
  2. Step 2: Convert to fraction form
    137,359,938.40/206,039,907.60 = 35,131,976.80/x
  3. Step 3: Cross multiply
    137,359,938.40x = 206,039,907.60 × 35,131,976.80
  4. Step 4: Simplify right side
    137,359,938.40x = 7,238,589,253,677,343
  5. Step 5: Solve for x
    x = 7,238,589,253,677,343/137,359,938.40
  6. Step 6: Final answer
    x = 52,697,965.20

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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.