Home / 126,775,895.75-190,191,112.78-39,335,660.88

Finding the Fourth Proportional to 126,775,895.75, 190,191,112.78 and 39,335,660.88

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Solution

The fourth proportional to 126,775,895.75, 190,191,112.78 and 39,335,660.88 is: 59,011,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775,895.75 : 190,191,112.78 = 39,335,660.88 : x
  2. Step 2: Convert to fraction form
    126,775,895.75/190,191,112.78 = 39,335,660.88/x
  3. Step 3: Cross multiply
    126,775,895.75x = 190,191,112.78 × 39,335,660.88
  4. Step 4: Simplify right side
    126,775,895.75x = 7,481,293,114,703,915
  5. Step 5: Solve for x
    x = 7,481,293,114,703,915/126,775,895.75
  6. Step 6: Final answer
    x = 59,011,952.32

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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.