Home / 283,164,420.95-390,786,540.69-171,659,961.46

Finding the Fourth Proportional to 283,164,420.95, 390,786,540.69 and 171,659,961.46

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Solution

The fourth proportional to 283,164,420.95, 390,786,540.69 and 171,659,961.46 is: 236,902,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,164,420.95 : 390,786,540.69 = 171,659,961.46 : x
  2. Step 2: Convert to fraction form
    283,164,420.95/390,786,540.69 = 171,659,961.46/x
  3. Step 3: Cross multiply
    283,164,420.95x = 390,786,540.69 × 171,659,961.46
  4. Step 4: Simplify right side
    283,164,420.95x = 67,082,402,511,119,896
  5. Step 5: Solve for x
    x = 67,082,402,511,119,896/283,164,420.95
  6. Step 6: Final answer
    x = 236,902,652.84

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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.