Home / 105,948,232.40-158,922,348.60-91,587,515.60

Finding the Fourth Proportional to 105,948,232.40, 158,922,348.60 and 91,587,515.60

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Solution

The fourth proportional to 105,948,232.40, 158,922,348.60 and 91,587,515.60 is: 137,381,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,948,232.40 : 158,922,348.60 = 91,587,515.60 : x
  2. Step 2: Convert to fraction form
    105,948,232.40/158,922,348.60 = 91,587,515.60/x
  3. Step 3: Cross multiply
    105,948,232.40x = 158,922,348.60 × 91,587,515.60
  4. Step 4: Simplify right side
    105,948,232.40x = 14,555,303,081,591,136
  5. Step 5: Solve for x
    x = 14,555,303,081,591,136/105,948,232.40
  6. Step 6: Final answer
    x = 137,381,273.40

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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.