Home / 298,855,661.12-447,862,094-141,120,374.08

Finding the Fourth Proportional to 298,855,661.12, 447,862,094 and 141,120,374.08

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Solution

The fourth proportional to 298,855,661.12, 447,862,094 and 141,120,374.08 is: 211,481,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,855,661.12 : 447,862,094 = 141,120,374.08 : x
  2. Step 2: Convert to fraction form
    298,855,661.12/447,862,094 = 141,120,374.08/x
  3. Step 3: Cross multiply
    298,855,661.12x = 447,862,094 × 141,120,374.08
  4. Step 4: Simplify right side
    298,855,661.12x = 63,202,466,241,532,128
  5. Step 5: Solve for x
    x = 63,202,466,241,532,128/298,855,661.12
  6. Step 6: Final answer
    x = 211,481,576.10

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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.