Home / 89,534,716.40-134,401,607.40-55,494,498.80

Finding the Fourth Proportional to 89,534,716.40, 134,401,607.40 and 55,494,498.80

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Solution

The fourth proportional to 89,534,716.40, 134,401,607.40 and 55,494,498.80 is: 83,303,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,534,716.40 : 134,401,607.40 = 55,494,498.80 : x
  2. Step 2: Convert to fraction form
    89,534,716.40/134,401,607.40 = 55,494,498.80/x
  3. Step 3: Cross multiply
    89,534,716.40x = 134,401,607.40 × 55,494,498.80
  4. Step 4: Simplify right side
    89,534,716.40x = 7,458,549,840,577,371
  5. Step 5: Solve for x
    x = 7,458,549,840,577,371/89,534,716.40
  6. Step 6: Final answer
    x = 83,303,439.61

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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.