Home / 127,769,213.70-191,653,820.55-91,489,508.10

Finding the Fourth Proportional to 127,769,213.70, 191,653,820.55 and 91,489,508.10

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Solution

The fourth proportional to 127,769,213.70, 191,653,820.55 and 91,489,508.10 is: 137,234,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,769,213.70 : 191,653,820.55 = 91,489,508.10 : x
  2. Step 2: Convert to fraction form
    127,769,213.70/191,653,820.55 = 91,489,508.10/x
  3. Step 3: Cross multiply
    127,769,213.70x = 191,653,820.55 × 91,489,508.10
  4. Step 4: Simplify right side
    127,769,213.70x = 17,534,313,767,605,172
  5. Step 5: Solve for x
    x = 17,534,313,767,605,172/127,769,213.70
  6. Step 6: Final answer
    x = 137,234,262.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.