Home / 154,112,531.82-231,133,423.28-91,881,454.92

Finding the Fourth Proportional to 154,112,531.82, 231,133,423.28 and 91,881,454.92

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Solution

The fourth proportional to 154,112,531.82, 231,133,423.28 and 91,881,454.92 is: 137,801,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,112,531.82 : 231,133,423.28 = 91,881,454.92 : x
  2. Step 2: Convert to fraction form
    154,112,531.82/231,133,423.28 = 91,881,454.92/x
  3. Step 3: Cross multiply
    154,112,531.82x = 231,133,423.28 × 91,881,454.92
  4. Step 4: Simplify right side
    154,112,531.82x = 21,236,875,211,147,192
  5. Step 5: Solve for x
    x = 21,236,875,211,147,192/154,112,531.82
  6. Step 6: Final answer
    x = 137,801,092.23

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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.