Home / 128,278,255.19-192,397,941.07-34,912,502.32

Finding the Fourth Proportional to 128,278,255.19, 192,397,941.07 and 34,912,502.32

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Solution

The fourth proportional to 128,278,255.19, 192,397,941.07 and 34,912,502.32 is: 52,363,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,278,255.19 : 192,397,941.07 = 34,912,502.32 : x
  2. Step 2: Convert to fraction form
    128,278,255.19/192,397,941.07 = 34,912,502.32/x
  3. Step 3: Cross multiply
    128,278,255.19x = 192,397,941.07 × 34,912,502.32
  4. Step 4: Simplify right side
    128,278,255.19x = 6,717,093,563,007,608
  5. Step 5: Solve for x
    x = 6,717,093,563,007,608/128,278,255.19
  6. Step 6: Final answer
    x = 52,363,462.17

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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.