Home / 126,775,892.24-190,191,107.52-39,335,657.38

Finding the Fourth Proportional to 126,775,892.24, 190,191,107.52 and 39,335,657.38

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Solution

The fourth proportional to 126,775,892.24, 190,191,107.52 and 39,335,657.38 is: 59,011,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775,892.24 : 190,191,107.52 = 39,335,657.38 : x
  2. Step 2: Convert to fraction form
    126,775,892.24/190,191,107.52 = 39,335,657.38/x
  3. Step 3: Cross multiply
    126,775,892.24x = 190,191,107.52 × 39,335,657.38
  4. Step 4: Simplify right side
    126,775,892.24x = 7,481,292,242,129,462
  5. Step 5: Solve for x
    x = 7,481,292,242,129,462/126,775,892.24
  6. Step 6: Final answer
    x = 59,011,947.07

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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.