Home / 86,802,499.80-130,022,666.10-40,783,645.80

Finding the Fourth Proportional to 86,802,499.80, 130,022,666.10 and 40,783,645.80

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Solution

The fourth proportional to 86,802,499.80, 130,022,666.10 and 40,783,645.80 is: 61,090,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,802,499.80 : 130,022,666.10 = 40,783,645.80 : x
  2. Step 2: Convert to fraction form
    86,802,499.80/130,022,666.10 = 40,783,645.80/x
  3. Step 3: Cross multiply
    86,802,499.80x = 130,022,666.10 × 40,783,645.80
  4. Step 4: Simplify right side
    86,802,499.80x = 5,302,798,360,194,067
  5. Step 5: Solve for x
    x = 5,302,798,360,194,067/86,802,499.80
  6. Step 6: Final answer
    x = 61,090,387.63

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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.