Home / 91,172,839.80-136,643,138.10-37,259,239.80

Finding the Fourth Proportional to 91,172,839.80, 136,643,138.10 and 37,259,239.80

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Solution

The fourth proportional to 91,172,839.80, 136,643,138.10 and 37,259,239.80 is: 55,841,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,172,839.80 : 136,643,138.10 = 37,259,239.80 : x
  2. Step 2: Convert to fraction form
    91,172,839.80/136,643,138.10 = 37,259,239.80/x
  3. Step 3: Cross multiply
    91,172,839.80x = 136,643,138.10 × 37,259,239.80
  4. Step 4: Simplify right side
    91,172,839.80x = 5,091,219,449,492,416
  5. Step 5: Solve for x
    x = 5,091,219,449,492,416/91,172,839.80
  6. Step 6: Final answer
    x = 55,841,404.75

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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.