Home / 86,770,735.68-130,087,620.42-43,021,329.45

Finding the Fourth Proportional to 86,770,735.68, 130,087,620.42 and 43,021,329.45

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Solution

The fourth proportional to 86,770,735.68, 130,087,620.42 and 43,021,329.45 is: 64,498,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,770,735.68 : 130,087,620.42 = 43,021,329.45 : x
  2. Step 2: Convert to fraction form
    86,770,735.68/130,087,620.42 = 43,021,329.45/x
  3. Step 3: Cross multiply
    86,770,735.68x = 130,087,620.42 × 43,021,329.45
  4. Step 4: Simplify right side
    86,770,735.68x = 5,596,542,375,455,368
  5. Step 5: Solve for x
    x = 5,596,542,375,455,368/86,770,735.68
  6. Step 6: Final answer
    x = 64,498,039.94

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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.