Home / 140,854,588.74-194,375,581.88-81,313,875.41

Finding the Fourth Proportional to 140,854,588.74, 194,375,581.88 and 81,313,875.41

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Solution

The fourth proportional to 140,854,588.74, 194,375,581.88 and 81,313,875.41 is: 112,210,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,854,588.74 : 194,375,581.88 = 81,313,875.41 : x
  2. Step 2: Convert to fraction form
    140,854,588.74/194,375,581.88 = 81,313,875.41/x
  3. Step 3: Cross multiply
    140,854,588.74x = 194,375,581.88 × 81,313,875.41
  4. Step 4: Simplify right side
    140,854,588.74x = 15,805,431,846,358,126
  5. Step 5: Solve for x
    x = 15,805,431,846,358,126/140,854,588.74
  6. Step 6: Final answer
    x = 112,210,982.88

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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.