Home / 91,325,834-136,967,788.44-54,448,158.80

Finding the Fourth Proportional to 91,325,834, 136,967,788.44 and 54,448,158.80

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Solution

The fourth proportional to 91,325,834, 136,967,788.44 and 54,448,158.80 is: 81,659,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,325,834 : 136,967,788.44 = 54,448,158.80 : x
  2. Step 2: Convert to fraction form
    91,325,834/136,967,788.44 = 54,448,158.80/x
  3. Step 3: Cross multiply
    91,325,834x = 136,967,788.44 × 54,448,158.80
  4. Step 4: Simplify right side
    91,325,834x = 7,457,643,895,465,924
  5. Step 5: Solve for x
    x = 7,457,643,895,465,924/91,325,834
  6. Step 6: Final answer
    x = 81,659,740.39

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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.