Home / 281,781,153.78-422,788,960.70-124,133,485.47

Finding the Fourth Proportional to 281,781,153.78, 422,788,960.70 and 124,133,485.47

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Solution

The fourth proportional to 281,781,153.78, 422,788,960.70 and 124,133,485.47 is: 186,251,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,781,153.78 : 422,788,960.70 = 124,133,485.47 : x
  2. Step 2: Convert to fraction form
    281,781,153.78/422,788,960.70 = 124,133,485.47/x
  3. Step 3: Cross multiply
    281,781,153.78x = 422,788,960.70 × 124,133,485.47
  4. Step 4: Simplify right side
    281,781,153.78x = 52,482,267,308,190,464
  5. Step 5: Solve for x
    x = 52,482,267,308,190,464/281,781,153.78
  6. Step 6: Final answer
    x = 186,251,871.73

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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.