Home / 103,128,654.39-154,690,734.43-48,510,966.21

Finding the Fourth Proportional to 103,128,654.39, 154,690,734.43 and 48,510,966.21

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Solution

The fourth proportional to 103,128,654.39, 154,690,734.43 and 48,510,966.21 is: 72,765,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,128,654.39 : 154,690,734.43 = 48,510,966.21 : x
  2. Step 2: Convert to fraction form
    103,128,654.39/154,690,734.43 = 48,510,966.21/x
  3. Step 3: Cross multiply
    103,128,654.39x = 154,690,734.43 × 48,510,966.21
  4. Step 4: Simplify right side
    103,128,654.39x = 7,504,196,990,933,814
  5. Step 5: Solve for x
    x = 7,504,196,990,933,814/103,128,654.39
  6. Step 6: Final answer
    x = 72,765,392.27

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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.