Home / 86,770,723.19-130,087,601.69-43,021,316.97

Finding the Fourth Proportional to 86,770,723.19, 130,087,601.69 and 43,021,316.97

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Solution

The fourth proportional to 86,770,723.19, 130,087,601.69 and 43,021,316.97 is: 64,498,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,770,723.19 : 130,087,601.69 = 43,021,316.97 : x
  2. Step 2: Convert to fraction form
    86,770,723.19/130,087,601.69 = 43,021,316.97/x
  3. Step 3: Cross multiply
    86,770,723.19x = 130,087,601.69 × 43,021,316.97
  4. Step 4: Simplify right side
    86,770,723.19x = 5,596,539,945,957,491
  5. Step 5: Solve for x
    x = 5,596,539,945,957,491/86,770,723.19
  6. Step 6: Final answer
    x = 64,498,021.23

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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.