Home / 148,007,923.11-204,248,459.52-81,927,002.88

Finding the Fourth Proportional to 148,007,923.11, 204,248,459.52 and 81,927,002.88

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Solution

The fourth proportional to 148,007,923.11, 204,248,459.52 and 81,927,002.88 is: 113,057,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,007,923.11 : 204,248,459.52 = 81,927,002.88 : x
  2. Step 2: Convert to fraction form
    148,007,923.11/204,248,459.52 = 81,927,002.88/x
  3. Step 3: Cross multiply
    148,007,923.11x = 204,248,459.52 × 81,927,002.88
  4. Step 4: Simplify right side
    148,007,923.11x = 16,733,464,131,330,604
  5. Step 5: Solve for x
    x = 16,733,464,131,330,604/148,007,923.11
  6. Step 6: Final answer
    x = 113,057,894.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.