Home / 77,707,661.26-107,234,868.72-42,424,260.52

Finding the Fourth Proportional to 77,707,661.26, 107,234,868.72 and 42,424,260.52

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Solution

The fourth proportional to 77,707,661.26, 107,234,868.72 and 42,424,260.52 is: 58,544,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,707,661.26 : 107,234,868.72 = 42,424,260.52 : x
  2. Step 2: Convert to fraction form
    77,707,661.26/107,234,868.72 = 42,424,260.52/x
  3. Step 3: Cross multiply
    77,707,661.26x = 107,234,868.72 × 42,424,260.52
  4. Step 4: Simplify right side
    77,707,661.26x = 4,549,360,007,405,279
  5. Step 5: Solve for x
    x = 4,549,360,007,405,279/77,707,661.26
  6. Step 6: Final answer
    x = 58,544,549.32

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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.