Home / 75,804,815.13-104,610,644.96-40,997,505.39

Finding the Fourth Proportional to 75,804,815.13, 104,610,644.96 and 40,997,505.39

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Solution

The fourth proportional to 75,804,815.13, 104,610,644.96 and 40,997,505.39 is: 56,576,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,804,815.13 : 104,610,644.96 = 40,997,505.39 : x
  2. Step 2: Convert to fraction form
    75,804,815.13/104,610,644.96 = 40,997,505.39/x
  3. Step 3: Cross multiply
    75,804,815.13x = 104,610,644.96 × 40,997,505.39
  4. Step 4: Simplify right side
    75,804,815.13x = 4,288,775,480,393,989
  5. Step 5: Solve for x
    x = 4,288,775,480,393,989/75,804,815.13
  6. Step 6: Final answer
    x = 56,576,557.48

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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.