Home / 311,699,962.35-467,622,705.02-90,375,931.71

Finding the Fourth Proportional to 311,699,962.35, 467,622,705.02 and 90,375,931.71

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Solution

The fourth proportional to 311,699,962.35, 467,622,705.02 and 90,375,931.71 is: 135,584,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,699,962.35 : 467,622,705.02 = 90,375,931.71 : x
  2. Step 2: Convert to fraction form
    311,699,962.35/467,622,705.02 = 90,375,931.71/x
  3. Step 3: Cross multiply
    311,699,962.35x = 467,622,705.02 × 90,375,931.71
  4. Step 4: Simplify right side
    311,699,962.35x = 42,261,837,654,481,112
  5. Step 5: Solve for x
    x = 42,261,837,654,481,112/311,699,962.35
  6. Step 6: Final answer
    x = 135,584,994.42

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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.