Home / 86,901,198.60-130,451,330.70-51,019,624.20

Finding the Fourth Proportional to 86,901,198.60, 130,451,330.70 and 51,019,624.20

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Solution

The fourth proportional to 86,901,198.60, 130,451,330.70 and 51,019,624.20 is: 76,587,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,901,198.60 : 130,451,330.70 = 51,019,624.20 : x
  2. Step 2: Convert to fraction form
    86,901,198.60/130,451,330.70 = 51,019,624.20/x
  3. Step 3: Cross multiply
    86,901,198.60x = 130,451,330.70 × 51,019,624.20
  4. Step 4: Simplify right side
    86,901,198.60x = 6,655,577,868,703,923
  5. Step 5: Solve for x
    x = 6,655,577,868,703,923/86,901,198.60
  6. Step 6: Final answer
    x = 76,587,871.93

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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.