Home / 154,409,863.30-231,614,794.95-52,172,424.70

Finding the Fourth Proportional to 154,409,863.30, 231,614,794.95 and 52,172,424.70

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Solution

The fourth proportional to 154,409,863.30, 231,614,794.95 and 52,172,424.70 is: 78,258,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409,863.30 : 231,614,794.95 = 52,172,424.70 : x
  2. Step 2: Convert to fraction form
    154,409,863.30/231,614,794.95 = 52,172,424.70/x
  3. Step 3: Cross multiply
    154,409,863.30x = 231,614,794.95 × 52,172,424.70
  4. Step 4: Simplify right side
    154,409,863.30x = 12,083,905,448,934,816
  5. Step 5: Solve for x
    x = 12,083,905,448,934,816/154,409,863.30
  6. Step 6: Final answer
    x = 78,258,637.05

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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.