Home / 253,542,917.62-349,888,960.94-142,034,543.36

Finding the Fourth Proportional to 253,542,917.62, 349,888,960.94 and 142,034,543.36

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Solution

The fourth proportional to 253,542,917.62, 349,888,960.94 and 142,034,543.36 is: 196,007,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,542,917.62 : 349,888,960.94 = 142,034,543.36 : x
  2. Step 2: Convert to fraction form
    253,542,917.62/349,888,960.94 = 142,034,543.36/x
  3. Step 3: Cross multiply
    253,542,917.62x = 349,888,960.94 × 142,034,543.36
  4. Step 4: Simplify right side
    253,542,917.62x = 49,696,318,792,423,416
  5. Step 5: Solve for x
    x = 49,696,318,792,423,416/253,542,917.62
  6. Step 6: Final answer
    x = 196,007,521.17

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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.