Home / 91,898,448.75-126,819,860.49-50,645,340.72

Finding the Fourth Proportional to 91,898,448.75, 126,819,860.49 and 50,645,340.72

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Solution

The fourth proportional to 91,898,448.75, 126,819,860.49 and 50,645,340.72 is: 69,890,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,898,448.75 : 126,819,860.49 = 50,645,340.72 : x
  2. Step 2: Convert to fraction form
    91,898,448.75/126,819,860.49 = 50,645,340.72/x
  3. Step 3: Cross multiply
    91,898,448.75x = 126,819,860.49 × 50,645,340.72
  4. Step 4: Simplify right side
    91,898,448.75x = 6,422,835,044,578,916
  5. Step 5: Solve for x
    x = 6,422,835,044,578,916/91,898,448.75
  6. Step 6: Final answer
    x = 69,890,570.86

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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.