Home / 336,071,990-503,820,445.08-128,959,024.92

Finding the Fourth Proportional to 336,071,990, 503,820,445.08 and 128,959,024.92

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Solution

The fourth proportional to 336,071,990, 503,820,445.08 and 128,959,024.92 is: 193,328,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,071,990 : 503,820,445.08 = 128,959,024.92 : x
  2. Step 2: Convert to fraction form
    336,071,990/503,820,445.08 = 128,959,024.92/x
  3. Step 3: Cross multiply
    336,071,990x = 503,820,445.08 × 128,959,024.92
  4. Step 4: Simplify right side
    336,071,990x = 64,972,193,332,277,208
  5. Step 5: Solve for x
    x = 64,972,193,332,277,208/336,071,990
  6. Step 6: Final answer
    x = 193,328,201.29

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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.