Home / 126,775,890.25-190,191,104.53-39,335,655.38

Finding the Fourth Proportional to 126,775,890.25, 190,191,104.53 and 39,335,655.38

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Solution

The fourth proportional to 126,775,890.25, 190,191,104.53 and 39,335,655.38 is: 59,011,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775,890.25 : 190,191,104.53 = 39,335,655.38 : x
  2. Step 2: Convert to fraction form
    126,775,890.25/190,191,104.53 = 39,335,655.38/x
  3. Step 3: Cross multiply
    126,775,890.25x = 190,191,104.53 × 39,335,655.38
  4. Step 4: Simplify right side
    126,775,890.25x = 7,481,291,743,084,342
  5. Step 5: Solve for x
    x = 7,481,291,743,084,342/126,775,890.25
  6. Step 6: Final answer
    x = 59,011,944.06

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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.