Home / 86,770,728.86-130,087,610.12-43,021,322.60

Finding the Fourth Proportional to 86,770,728.86, 130,087,610.12 and 43,021,322.60

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Solution

The fourth proportional to 86,770,728.86, 130,087,610.12 and 43,021,322.60 is: 64,498,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,770,728.86 : 130,087,610.12 = 43,021,322.60 : x
  2. Step 2: Convert to fraction form
    86,770,728.86/130,087,610.12 = 43,021,322.60/x
  3. Step 3: Cross multiply
    86,770,728.86x = 130,087,610.12 × 43,021,322.60
  4. Step 4: Simplify right side
    86,770,728.86x = 5,596,541,040,692,660
  5. Step 5: Solve for x
    x = 5,596,541,040,692,660/86,770,728.86
  6. Step 6: Final answer
    x = 64,498,029.63

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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.