Home / 115,160,836.50-172,741,254.75-38,483,864.72

Finding the Fourth Proportional to 115,160,836.50, 172,741,254.75 and 38,483,864.72

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Solution

The fourth proportional to 115,160,836.50, 172,741,254.75 and 38,483,864.72 is: 57,725,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,160,836.50 : 172,741,254.75 = 38,483,864.72 : x
  2. Step 2: Convert to fraction form
    115,160,836.50/172,741,254.75 = 38,483,864.72/x
  3. Step 3: Cross multiply
    115,160,836.50x = 172,741,254.75 × 38,483,864.72
  4. Step 4: Simplify right side
    115,160,836.50x = 6,647,751,079,146,131
  5. Step 5: Solve for x
    x = 6,647,751,079,146,131/115,160,836.50
  6. Step 6: Final answer
    x = 57,725,797.08

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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.