Home / 141,403,893.39-195,108,127.76-82,655,194.46

Finding the Fourth Proportional to 141,403,893.39, 195,108,127.76 and 82,655,194.46

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Solution

The fourth proportional to 141,403,893.39, 195,108,127.76 and 82,655,194.46 is: 114,047,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,403,893.39 : 195,108,127.76 = 82,655,194.46 : x
  2. Step 2: Convert to fraction form
    141,403,893.39/195,108,127.76 = 82,655,194.46/x
  3. Step 3: Cross multiply
    141,403,893.39x = 195,108,127.76 × 82,655,194.46
  4. Step 4: Simplify right side
    141,403,893.39x = 16,126,700,240,729,322
  5. Step 5: Solve for x
    x = 16,126,700,240,729,322/141,403,893.39
  6. Step 6: Final answer
    x = 114,047,073.63

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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.