Home / 126,127,729.60-189,201,498.75-34,010,080.81

Finding the Fourth Proportional to 126,127,729.60, 189,201,498.75 and 34,010,080.81

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Solution

The fourth proportional to 126,127,729.60, 189,201,498.75 and 34,010,080.81 is: 51,017,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,127,729.60 : 189,201,498.75 = 34,010,080.81 : x
  2. Step 2: Convert to fraction form
    126,127,729.60/189,201,498.75 = 34,010,080.81/x
  3. Step 3: Cross multiply
    126,127,729.60x = 189,201,498.75 × 34,010,080.81
  4. Step 4: Simplify right side
    126,127,729.60x = 6,434,758,261,387,610
  5. Step 5: Solve for x
    x = 6,434,758,261,387,610/126,127,729.60
  6. Step 6: Final answer
    x = 51,017,791.90

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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.