Home / 219,921,362.48-303,473,411.24-120,796,987.16

Finding the Fourth Proportional to 219,921,362.48, 303,473,411.24 and 120,796,987.16

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Solution

The fourth proportional to 219,921,362.48, 303,473,411.24 and 120,796,987.16 is: 166,689,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,921,362.48 : 303,473,411.24 = 120,796,987.16 : x
  2. Step 2: Convert to fraction form
    219,921,362.48/303,473,411.24 = 120,796,987.16/x
  3. Step 3: Cross multiply
    219,921,362.48x = 303,473,411.24 × 120,796,987.16
  4. Step 4: Simplify right side
    219,921,362.48x = 36,658,673,760,959,680
  5. Step 5: Solve for x
    x = 36,658,673,760,959,680/219,921,362.48
  6. Step 6: Final answer
    x = 166,689,917.47

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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.