Home / 129,916,253.34-179,284,425.03-71,181,143.46

Finding the Fourth Proportional to 129,916,253.34, 179,284,425.03 and 71,181,143.46

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Solution

The fourth proportional to 129,916,253.34, 179,284,425.03 and 71,181,143.46 is: 98,229,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,916,253.34 : 179,284,425.03 = 71,181,143.46 : x
  2. Step 2: Convert to fraction form
    129,916,253.34/179,284,425.03 = 71,181,143.46/x
  3. Step 3: Cross multiply
    129,916,253.34x = 179,284,425.03 × 71,181,143.46
  4. Step 4: Simplify right side
    129,916,253.34x = 12,761,670,378,204,044
  5. Step 5: Solve for x
    x = 12,761,670,378,204,044/129,916,253.34
  6. Step 6: Final answer
    x = 98,229,975.47

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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.