Home / 154,112,531.32-231,133,422.53-91,881,454.42

Finding the Fourth Proportional to 154,112,531.32, 231,133,422.53 and 91,881,454.42

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Solution

The fourth proportional to 154,112,531.32, 231,133,422.53 and 91,881,454.42 is: 137,801,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,112,531.32 : 231,133,422.53 = 91,881,454.42 : x
  2. Step 2: Convert to fraction form
    154,112,531.32/231,133,422.53 = 91,881,454.42/x
  3. Step 3: Cross multiply
    154,112,531.32x = 231,133,422.53 × 91,881,454.42
  4. Step 4: Simplify right side
    154,112,531.32x = 21,236,875,026,669,388
  5. Step 5: Solve for x
    x = 21,236,875,026,669,388/154,112,531.32
  6. Step 6: Final answer
    x = 137,801,091.48

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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.