Home / 43,169,640.19-64,788,039.71-30,131,086.94

Finding the Fourth Proportional to 43,169,640.19, 64,788,039.71 and 30,131,086.94

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Solution

The fourth proportional to 43,169,640.19, 64,788,039.71 and 30,131,086.94 is: 45,220,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,169,640.19 : 64,788,039.71 = 30,131,086.94 : x
  2. Step 2: Convert to fraction form
    43,169,640.19/64,788,039.71 = 30,131,086.94/x
  3. Step 3: Cross multiply
    43,169,640.19x = 64,788,039.71 × 30,131,086.94
  4. Step 4: Simplify right side
    43,169,640.19x = 1,952,134,057,174,182.50
  5. Step 5: Solve for x
    x = 1,952,134,057,174,182.50/43,169,640.19
  6. Step 6: Final answer
    x = 45,220,067.82

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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.