Home / 84,510,749.52-127,417,870.44-83,986,131.96

Finding the Fourth Proportional to 84,510,749.52, 127,417,870.44 and 83,986,131.96

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Solution

The fourth proportional to 84,510,749.52, 127,417,870.44 and 83,986,131.96 is: 126,626,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,510,749.52 : 127,417,870.44 = 83,986,131.96 : x
  2. Step 2: Convert to fraction form
    84,510,749.52/127,417,870.44 = 83,986,131.96/x
  3. Step 3: Cross multiply
    84,510,749.52x = 127,417,870.44 × 83,986,131.96
  4. Step 4: Simplify right side
    84,510,749.52x = 10,701,334,080,836,022
  5. Step 5: Solve for x
    x = 10,701,334,080,836,022/84,510,749.52
  6. Step 6: Final answer
    x = 126,626,898.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.