Home / 141,330,005.22-194,903,822.40-91,717,330.68

Finding the Fourth Proportional to 141,330,005.22, 194,903,822.40 and 91,717,330.68

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Solution

The fourth proportional to 141,330,005.22, 194,903,822.40 and 91,717,330.68 is: 126,484,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,330,005.22 : 194,903,822.40 = 91,717,330.68 : x
  2. Step 2: Convert to fraction form
    141,330,005.22/194,903,822.40 = 91,717,330.68/x
  3. Step 3: Cross multiply
    141,330,005.22x = 194,903,822.40 × 91,717,330.68
  4. Step 4: Simplify right side
    141,330,005.22x = 17,876,058,329,856,794
  5. Step 5: Solve for x
    x = 17,876,058,329,856,794/141,330,005.22
  6. Step 6: Final answer
    x = 126,484,523.24

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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.