Home / 86,965,688.70-130,464,279.45-43,726,074.30

Finding the Fourth Proportional to 86,965,688.70, 130,464,279.45 and 43,726,074.30

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Solution

The fourth proportional to 86,965,688.70, 130,464,279.45 and 43,726,074.30 is: 65,597,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,965,688.70 : 130,464,279.45 = 43,726,074.30 : x
  2. Step 2: Convert to fraction form
    86,965,688.70/130,464,279.45 = 43,726,074.30/x
  3. Step 3: Cross multiply
    86,965,688.70x = 130,464,279.45 × 43,726,074.30
  4. Step 4: Simplify right side
    86,965,688.70x = 5,704,690,776,726,663
  5. Step 5: Solve for x
    x = 5,704,690,776,726,663/86,965,688.70
  6. Step 6: Final answer
    x = 65,597,028.69

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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.