Home / 154,557,041.70-231,835,562.55-109,207,409.70

Finding the Fourth Proportional to 154,557,041.70, 231,835,562.55 and 109,207,409.70

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Solution

The fourth proportional to 154,557,041.70, 231,835,562.55 and 109,207,409.70 is: 163,811,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,041.70 : 231,835,562.55 = 109,207,409.70 : x
  2. Step 2: Convert to fraction form
    154,557,041.70/231,835,562.55 = 109,207,409.70/x
  3. Step 3: Cross multiply
    154,557,041.70x = 231,835,562.55 × 109,207,409.70
  4. Step 4: Simplify right side
    154,557,041.70x = 25,318,161,262,427,828
  5. Step 5: Solve for x
    x = 25,318,161,262,427,828/154,557,041.70
  6. Step 6: Final answer
    x = 163,811,114.55

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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.