Home / 146,593,620.72-219,815,081.64-77,543,557.20

Finding the Fourth Proportional to 146,593,620.72, 219,815,081.64 and 77,543,557.20

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Solution

The fourth proportional to 146,593,620.72, 219,815,081.64 and 77,543,557.20 is: 116,275,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,593,620.72 : 219,815,081.64 = 77,543,557.20 : x
  2. Step 2: Convert to fraction form
    146,593,620.72/219,815,081.64 = 77,543,557.20/x
  3. Step 3: Cross multiply
    146,593,620.72x = 219,815,081.64 × 77,543,557.20
  4. Step 4: Simplify right side
    146,593,620.72x = 17,045,243,356,574,010
  5. Step 5: Solve for x
    x = 17,045,243,356,574,010/146,593,620.72
  6. Step 6: Final answer
    x = 116,275,478.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.