Home / 154,008,001.80-231,012,002.70-123,774,913.80

Finding the Fourth Proportional to 154,008,001.80, 231,012,002.70 and 123,774,913.80

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Solution

The fourth proportional to 154,008,001.80, 231,012,002.70 and 123,774,913.80 is: 185,662,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,008,001.80 : 231,012,002.70 = 123,774,913.80 : x
  2. Step 2: Convert to fraction form
    154,008,001.80/231,012,002.70 = 123,774,913.80/x
  3. Step 3: Cross multiply
    154,008,001.80x = 231,012,002.70 × 123,774,913.80
  4. Step 4: Simplify right side
    154,008,001.80x = 28,593,490,720,957,864
  5. Step 5: Solve for x
    x = 28,593,490,720,957,864/154,008,001.80
  6. Step 6: Final answer
    x = 185,662,370.70

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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.