Home / 86,901,201.60-130,451,335.20-51,019,627.20

Finding the Fourth Proportional to 86,901,201.60, 130,451,335.20 and 51,019,627.20

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Solution

The fourth proportional to 86,901,201.60, 130,451,335.20 and 51,019,627.20 is: 76,587,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,901,201.60 : 130,451,335.20 = 51,019,627.20 : x
  2. Step 2: Convert to fraction form
    86,901,201.60/130,451,335.20 = 51,019,627.20/x
  3. Step 3: Cross multiply
    86,901,201.60x = 130,451,335.20 × 51,019,627.20
  4. Step 4: Simplify right side
    86,901,201.60x = 6,655,578,489,646,238
  5. Step 5: Solve for x
    x = 6,655,578,489,646,238/86,901,201.60
  6. Step 6: Final answer
    x = 76,587,876.43

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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.