Home / 172,969,999.98-238,698,576.03-94,653,532.81

Finding the Fourth Proportional to 172,969,999.98, 238,698,576.03 and 94,653,532.81

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Solution

The fourth proportional to 172,969,999.98, 238,698,576.03 and 94,653,532.81 is: 130,621,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,969,999.98 : 238,698,576.03 = 94,653,532.81 : x
  2. Step 2: Convert to fraction form
    172,969,999.98/238,698,576.03 = 94,653,532.81/x
  3. Step 3: Cross multiply
    172,969,999.98x = 238,698,576.03 × 94,653,532.81
  4. Step 4: Simplify right side
    172,969,999.98x = 22,593,663,497,955,884
  5. Step 5: Solve for x
    x = 22,593,663,497,955,884/172,969,999.98
  6. Step 6: Final answer
    x = 130,621,862.18

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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.