Home / 137,958,154.32-206,937,979.56-40,914,703.56

Finding the Fourth Proportional to 137,958,154.32, 206,937,979.56 and 40,914,703.56

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Solution

The fourth proportional to 137,958,154.32, 206,937,979.56 and 40,914,703.56 is: 61,372,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,958,154.32 : 206,937,979.56 = 40,914,703.56 : x
  2. Step 2: Convert to fraction form
    137,958,154.32/206,937,979.56 = 40,914,703.56/x
  3. Step 3: Cross multiply
    137,958,154.32x = 206,937,979.56 × 40,914,703.56
  4. Step 4: Simplify right side
    137,958,154.32x = 8,466,806,089,002,740
  5. Step 5: Solve for x
    x = 8,466,806,089,002,740/137,958,154.32
  6. Step 6: Final answer
    x = 61,372,277.20

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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.