Home / 77,993,901.94-107,743,698-62,292,311.40

Finding the Fourth Proportional to 77,993,901.94, 107,743,698 and 62,292,311.40

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Solution

The fourth proportional to 77,993,901.94, 107,743,698 and 62,292,311.40 is: 86,052,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,993,901.94 : 107,743,698 = 62,292,311.40 : x
  2. Step 2: Convert to fraction form
    77,993,901.94/107,743,698 = 62,292,311.40/x
  3. Step 3: Cross multiply
    77,993,901.94x = 107,743,698 × 62,292,311.40
  4. Step 4: Simplify right side
    77,993,901.94x = 6,711,603,987,203,557
  5. Step 5: Solve for x
    x = 6,711,603,987,203,557/77,993,901.94
  6. Step 6: Final answer
    x = 86,052,932.60

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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.