Home / 91,073,085.07-125,681,022.75-49,819,977.46

Finding the Fourth Proportional to 91,073,085.07, 125,681,022.75 and 49,819,977.46

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Solution

The fourth proportional to 91,073,085.07, 125,681,022.75 and 49,819,977.46 is: 68,751,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,073,085.07 : 125,681,022.75 = 49,819,977.46 : x
  2. Step 2: Convert to fraction form
    91,073,085.07/125,681,022.75 = 49,819,977.46/x
  3. Step 3: Cross multiply
    91,073,085.07x = 125,681,022.75 × 49,819,977.46
  4. Step 4: Simplify right side
    91,073,085.07x = 6,261,425,720,554,747
  5. Step 5: Solve for x
    x = 6,261,425,720,554,747/91,073,085.07
  6. Step 6: Final answer
    x = 68,751,659.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.