Home / 91,963,131.52-126,906,224.16-50,711,762.56

Finding the Fourth Proportional to 91,963,131.52, 126,906,224.16 and 50,711,762.56

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Solution

The fourth proportional to 91,963,131.52, 126,906,224.16 and 50,711,762.56 is: 69,980,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,963,131.52 : 126,906,224.16 = 50,711,762.56 : x
  2. Step 2: Convert to fraction form
    91,963,131.52/126,906,224.16 = 50,711,762.56/x
  3. Step 3: Cross multiply
    91,963,131.52x = 126,906,224.16 × 50,711,762.56
  4. Step 4: Simplify right side
    91,963,131.52x = 6,435,638,306,988,056
  5. Step 5: Solve for x
    x = 6,435,638,306,988,056/91,963,131.52
  6. Step 6: Final answer
    x = 69,980,634.64

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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.