Home / 81,248,703.48-112,123,198.44-46,442,141.28

Finding the Fourth Proportional to 81,248,703.48, 112,123,198.44 and 46,442,141.28

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Solution

The fourth proportional to 81,248,703.48, 112,123,198.44 and 46,442,141.28 is: 64,090,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,248,703.48 : 112,123,198.44 = 46,442,141.28 : x
  2. Step 2: Convert to fraction form
    81,248,703.48/112,123,198.44 = 46,442,141.28/x
  3. Step 3: Cross multiply
    81,248,703.48x = 112,123,198.44 × 46,442,141.28
  4. Step 4: Simplify right side
    81,248,703.48x = 5,207,241,422,715,956
  5. Step 5: Solve for x
    x = 5,207,241,422,715,956/81,248,703.48
  6. Step 6: Final answer
    x = 64,090,147.90

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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.