Home / 172,898,991.41-238,599,894.74-93,514,141.53

Finding the Fourth Proportional to 172,898,991.41, 238,599,894.74 and 93,514,141.53

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Solution

The fourth proportional to 172,898,991.41, 238,599,894.74 and 93,514,141.53 is: 129,049,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,898,991.41 : 238,599,894.74 = 93,514,141.53 : x
  2. Step 2: Convert to fraction form
    172,898,991.41/238,599,894.74 = 93,514,141.53/x
  3. Step 3: Cross multiply
    172,898,991.41x = 238,599,894.74 × 93,514,141.53
  4. Step 4: Simplify right side
    172,898,991.41x = 22,312,464,325,291,892
  5. Step 5: Solve for x
    x = 22,312,464,325,291,892/172,898,991.41
  6. Step 6: Final answer
    x = 129,049,129.46

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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.