Home / 91,921,349.75-137,880,843.59-30,538,733.27

Finding the Fourth Proportional to 91,921,349.75, 137,880,843.59 and 30,538,733.27

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Solution

The fourth proportional to 91,921,349.75, 137,880,843.59 and 30,538,733.27 is: 45,807,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,921,349.75 : 137,880,843.59 = 30,538,733.27 : x
  2. Step 2: Convert to fraction form
    91,921,349.75/137,880,843.59 = 30,538,733.27/x
  3. Step 3: Cross multiply
    91,921,349.75x = 137,880,843.59 × 30,538,733.27
  4. Step 4: Simplify right side
    91,921,349.75x = 4,210,706,304,824,542
  5. Step 5: Solve for x
    x = 4,210,706,304,824,542/91,921,349.75
  6. Step 6: Final answer
    x = 45,807,707.53

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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.