Home / 126,775,891.76-190,191,106.79-39,335,656.88

Finding the Fourth Proportional to 126,775,891.76, 190,191,106.79 and 39,335,656.88

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Solution

The fourth proportional to 126,775,891.76, 190,191,106.79 and 39,335,656.88 is: 59,011,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775,891.76 : 190,191,106.79 = 39,335,656.88 : x
  2. Step 2: Convert to fraction form
    126,775,891.76/190,191,106.79 = 39,335,656.88/x
  3. Step 3: Cross multiply
    126,775,891.76x = 190,191,106.79 × 39,335,656.88
  4. Step 4: Simplify right side
    126,775,891.76x = 7,481,292,117,171,244
  5. Step 5: Solve for x
    x = 7,481,292,117,171,244/126,775,891.76
  6. Step 6: Final answer
    x = 59,011,946.31

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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.