Home / 136,482,938.80-204,724,408.20-39,441,812.20

Finding the Fourth Proportional to 136,482,938.80, 204,724,408.20 and 39,441,812.20

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Solution

The fourth proportional to 136,482,938.80, 204,724,408.20 and 39,441,812.20 is: 59,162,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,482,938.80 : 204,724,408.20 = 39,441,812.20 : x
  2. Step 2: Convert to fraction form
    136,482,938.80/204,724,408.20 = 39,441,812.20/x
  3. Step 3: Cross multiply
    136,482,938.80x = 204,724,408.20 × 39,441,812.20
  4. Step 4: Simplify right side
    136,482,938.80x = 8,074,701,660,980,540
  5. Step 5: Solve for x
    x = 8,074,701,660,980,540/136,482,938.80
  6. Step 6: Final answer
    x = 59,162,718.30

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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.