Home / 143,602,255,994.98-215,403,384,007.28-47,988,274,825.62

Finding the Fourth Proportional to 143,602,255,994.98, 215,403,384,007.28 and 47,988,274,825.62

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Solution

The fourth proportional to 143,602,255,994.98, 215,403,384,007.28 and 47,988,274,825.62 is: 71,982,412,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,602,255,994.98 : 215,403,384,007.28 = 47,988,274,825.62 : x
  2. Step 2: Convert to fraction form
    143,602,255,994.98/215,403,384,007.28 = 47,988,274,825.62/x
  3. Step 3: Cross multiply
    143,602,255,994.98x = 215,403,384,007.28 × 47,988,274,825.62
  4. Step 4: Simplify right side
    143,602,255,994.98x = 10,336,836,790,109,912,170,496
  5. Step 5: Solve for x
    x = 10,336,836,790,109,912,170,496/143,602,255,994.98
  6. Step 6: Final answer
    x = 71,982,412,243.38

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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.