Home / 77,757,653.83-107,303,506.93-42,949,596.94

Finding the Fourth Proportional to 77,757,653.83, 107,303,506.93 and 42,949,596.94

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Solution

The fourth proportional to 77,757,653.83, 107,303,506.93 and 42,949,596.94 is: 59,269,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,757,653.83 : 107,303,506.93 = 42,949,596.94 : x
  2. Step 2: Convert to fraction form
    77,757,653.83/107,303,506.93 = 42,949,596.94/x
  3. Step 3: Cross multiply
    77,757,653.83x = 107,303,506.93 × 42,949,596.94
  4. Step 4: Simplify right side
    77,757,653.83x = 4,608,642,372,891,997
  5. Step 5: Solve for x
    x = 4,608,642,372,891,997/77,757,653.83
  6. Step 6: Final answer
    x = 59,269,308.50

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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.