Home / 76,623,857.37-105,739,447.64-41,816,796.91

Finding the Fourth Proportional to 76,623,857.37, 105,739,447.64 and 41,816,796.91

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Solution

The fourth proportional to 76,623,857.37, 105,739,447.64 and 41,816,796.91 is: 57,706,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623,857.37 : 105,739,447.64 = 41,816,796.91 : x
  2. Step 2: Convert to fraction form
    76,623,857.37/105,739,447.64 = 41,816,796.91/x
  3. Step 3: Cross multiply
    76,623,857.37x = 105,739,447.64 × 41,816,796.91
  4. Step 4: Simplify right side
    76,623,857.37x = 4,421,685,007,337,458.50
  5. Step 5: Solve for x
    x = 4,421,685,007,337,458.50/76,623,857.37
  6. Step 6: Final answer
    x = 57,706,374.48

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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.