Home / 91,563,039.60-137,344,559.40-79,233,608.40

Finding the Fourth Proportional to 91,563,039.60, 137,344,559.40 and 79,233,608.40

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Solution

The fourth proportional to 91,563,039.60, 137,344,559.40 and 79,233,608.40 is: 118,850,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,563,039.60 : 137,344,559.40 = 79,233,608.40 : x
  2. Step 2: Convert to fraction form
    91,563,039.60/137,344,559.40 = 79,233,608.40/x
  3. Step 3: Cross multiply
    91,563,039.60x = 137,344,559.40 × 79,233,608.40
  4. Step 4: Simplify right side
    91,563,039.60x = 10,882,305,035,370,140
  5. Step 5: Solve for x
    x = 10,882,305,035,370,140/91,563,039.60
  6. Step 6: Final answer
    x = 118,850,412.60

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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.