Home / 221,266,405.10-305,339,635.40-122,145,024.80

Finding the Fourth Proportional to 221,266,405.10, 305,339,635.40 and 122,145,024.80

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Solution

The fourth proportional to 221,266,405.10, 305,339,635.40 and 122,145,024.80 is: 168,555,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,266,405.10 : 305,339,635.40 = 122,145,024.80 : x
  2. Step 2: Convert to fraction form
    221,266,405.10/305,339,635.40 = 122,145,024.80/x
  3. Step 3: Cross multiply
    221,266,405.10x = 305,339,635.40 × 122,145,024.80
  4. Step 4: Simplify right side
    221,266,405.10x = 37,295,717,338,355,952
  5. Step 5: Solve for x
    x = 37,295,717,338,355,952/221,266,405.10
  6. Step 6: Final answer
    x = 168,555,716.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.