Home / 77,986,190.07-107,624,304.45-43,178,879.52

Finding the Fourth Proportional to 77,986,190.07, 107,624,304.45 and 43,178,879.52

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Solution

The fourth proportional to 77,986,190.07, 107,624,304.45 and 43,178,879.52 is: 59,588,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,986,190.07 : 107,624,304.45 = 43,178,879.52 : x
  2. Step 2: Convert to fraction form
    77,986,190.07/107,624,304.45 = 43,178,879.52/x
  3. Step 3: Cross multiply
    77,986,190.07x = 107,624,304.45 × 43,178,879.52
  4. Step 4: Simplify right side
    77,986,190.07x = 4,647,096,875,270,350
  5. Step 5: Solve for x
    x = 4,647,096,875,270,350/77,986,190.07
  6. Step 6: Final answer
    x = 59,588,715.27

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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.