Home / 243,252,302.94-365,011,286.22-103,170,970.78

Finding the Fourth Proportional to 243,252,302.94, 365,011,286.22 and 103,170,970.78

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Solution

The fourth proportional to 243,252,302.94, 365,011,286.22 and 103,170,970.78 is: 154,812,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,252,302.94 : 365,011,286.22 = 103,170,970.78 : x
  2. Step 2: Convert to fraction form
    243,252,302.94/365,011,286.22 = 103,170,970.78/x
  3. Step 3: Cross multiply
    243,252,302.94x = 365,011,286.22 × 103,170,970.78
  4. Step 4: Simplify right side
    243,252,302.94x = 37,658,568,744,973,840
  5. Step 5: Solve for x
    x = 37,658,568,744,973,840/243,252,302.94
  6. Step 6: Final answer
    x = 154,812,794.33

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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.