Home / 146,779,221.19-202,543,345.31-86,418,687.54

Finding the Fourth Proportional to 146,779,221.19, 202,543,345.31 and 86,418,687.54

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Solution

The fourth proportional to 146,779,221.19, 202,543,345.31 and 86,418,687.54 is: 119,250,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,779,221.19 : 202,543,345.31 = 86,418,687.54 : x
  2. Step 2: Convert to fraction form
    146,779,221.19/202,543,345.31 = 86,418,687.54/x
  3. Step 3: Cross multiply
    146,779,221.19x = 202,543,345.31 × 86,418,687.54
  4. Step 4: Simplify right side
    146,779,221.19x = 17,503,530,070,928,808
  5. Step 5: Solve for x
    x = 17,503,530,070,928,808/146,779,221.19
  6. Step 6: Final answer
    x = 119,250,735.42

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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.