Home / 91,896,942.03-126,817,782.62-50,643,834.41

Finding the Fourth Proportional to 91,896,942.03, 126,817,782.62 and 50,643,834.41

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Solution

The fourth proportional to 91,896,942.03, 126,817,782.62 and 50,643,834.41 is: 69,888,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,896,942.03 : 126,817,782.62 = 50,643,834.41 : x
  2. Step 2: Convert to fraction form
    91,896,942.03/126,817,782.62 = 50,643,834.41/x
  3. Step 3: Cross multiply
    91,896,942.03x = 126,817,782.62 × 50,643,834.41
  4. Step 4: Simplify right side
    91,896,942.03x = 6,422,538,782,363,348
  5. Step 5: Solve for x
    x = 6,422,538,782,363,348/91,896,942.03
  6. Step 6: Final answer
    x = 69,888,492.92

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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.