Home / 87,368,324.09-120,570,845.56-47,678,412.31

Finding the Fourth Proportional to 87,368,324.09, 120,570,845.56 and 47,678,412.31

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Solution

The fourth proportional to 87,368,324.09, 120,570,845.56 and 47,678,412.31 is: 65,797,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,368,324.09 : 120,570,845.56 = 47,678,412.31 : x
  2. Step 2: Convert to fraction form
    87,368,324.09/120,570,845.56 = 47,678,412.31/x
  3. Step 3: Cross multiply
    87,368,324.09x = 120,570,845.56 × 47,678,412.31
  4. Step 4: Simplify right side
    87,368,324.09x = 5,748,626,486,754,390
  5. Step 5: Solve for x
    x = 5,748,626,486,754,390/87,368,324.09
  6. Step 6: Final answer
    x = 65,797,605.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.