Home / 172,863,844.56-238,401,345.28-122,528,502.52

Finding the Fourth Proportional to 172,863,844.56, 238,401,345.28 and 122,528,502.52

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Solution

The fourth proportional to 172,863,844.56, 238,401,345.28 and 122,528,502.52 is: 168,982,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,863,844.56 : 238,401,345.28 = 122,528,502.52 : x
  2. Step 2: Convert to fraction form
    172,863,844.56/238,401,345.28 = 122,528,502.52/x
  3. Step 3: Cross multiply
    172,863,844.56x = 238,401,345.28 × 122,528,502.52
  4. Step 4: Simplify right side
    172,863,844.56x = 29,210,959,835,911,868
  5. Step 5: Solve for x
    x = 29,210,959,835,911,868/172,863,844.56
  6. Step 6: Final answer
    x = 168,982,472.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.