Home / 172,863,844.06-238,401,344.59-122,528,502.02

Finding the Fourth Proportional to 172,863,844.06, 238,401,344.59 and 122,528,502.02

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Solution

The fourth proportional to 172,863,844.06, 238,401,344.59 and 122,528,502.02 is: 168,982,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,863,844.06 : 238,401,344.59 = 122,528,502.02 : x
  2. Step 2: Convert to fraction form
    172,863,844.06/238,401,344.59 = 122,528,502.02/x
  3. Step 3: Cross multiply
    172,863,844.06x = 238,401,344.59 × 122,528,502.02
  4. Step 4: Simplify right side
    172,863,844.06x = 29,210,959,630,361,884
  5. Step 5: Solve for x
    x = 29,210,959,630,361,884/172,863,844.06
  6. Step 6: Final answer
    x = 168,982,471.66

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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.