Home / 77,994,796.92-107,631,505.32-43,186,739.82

Finding the Fourth Proportional to 77,994,796.92, 107,631,505.32 and 43,186,739.82

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Solution

The fourth proportional to 77,994,796.92, 107,631,505.32 and 43,186,739.82 is: 59,596,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,994,796.92 : 107,631,505.32 = 43,186,739.82 : x
  2. Step 2: Convert to fraction form
    77,994,796.92/107,631,505.32 = 43,186,739.82/x
  3. Step 3: Cross multiply
    77,994,796.92x = 107,631,505.32 × 43,186,739.82
  4. Step 4: Simplify right side
    77,994,796.92x = 4,648,253,816,689,786
  5. Step 5: Solve for x
    x = 4,648,253,816,689,786/77,994,796.92
  6. Step 6: Final answer
    x = 59,596,973.13

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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.