Home / 81,242,357.80-112,114,453.76-46,435,795.58

Finding the Fourth Proportional to 81,242,357.80, 112,114,453.76 and 46,435,795.58

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Solution

The fourth proportional to 81,242,357.80, 112,114,453.76 and 46,435,795.58 is: 64,081,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,242,357.80 : 112,114,453.76 = 46,435,795.58 : x
  2. Step 2: Convert to fraction form
    81,242,357.80/112,114,453.76 = 46,435,795.58/x
  3. Step 3: Cross multiply
    81,242,357.80x = 112,114,453.76 × 46,435,795.58
  4. Step 4: Simplify right side
    81,242,357.80x = 5,206,123,856,362,722
  5. Step 5: Solve for x
    x = 5,206,123,856,362,722/81,242,357.80
  6. Step 6: Final answer
    x = 64,081,397.90

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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.