Home / 84,661,394.13-127,004,710.19-30,069,393.21

Finding the Fourth Proportional to 84,661,394.13, 127,004,710.19 and 30,069,393.21

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Solution

The fourth proportional to 84,661,394.13, 127,004,710.19 and 30,069,393.21 is: 45,108,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,661,394.13 : 127,004,710.19 = 30,069,393.21 : x
  2. Step 2: Convert to fraction form
    84,661,394.13/127,004,710.19 = 30,069,393.21/x
  3. Step 3: Cross multiply
    84,661,394.13x = 127,004,710.19 × 30,069,393.21
  4. Step 4: Simplify right side
    84,661,394.13x = 3,818,954,570,074,857
  5. Step 5: Solve for x
    x = 3,818,954,570,074,857/84,661,394.13
  6. Step 6: Final answer
    x = 45,108,571.73

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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.