Home / 281,743,878.15-422,417,800.04-124,102,091.45

Finding the Fourth Proportional to 281,743,878.15, 422,417,800.04 and 124,102,091.45

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Solution

The fourth proportional to 281,743,878.15, 422,417,800.04 and 124,102,091.45 is: 186,065,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,743,878.15 : 422,417,800.04 = 124,102,091.45 : x
  2. Step 2: Convert to fraction form
    281,743,878.15/422,417,800.04 = 124,102,091.45/x
  3. Step 3: Cross multiply
    281,743,878.15x = 422,417,800.04 × 124,102,091.45
  4. Step 4: Simplify right side
    281,743,878.15x = 52,422,932,451,107,432
  5. Step 5: Solve for x
    x = 52,422,932,451,107,432/281,743,878.15
  6. Step 6: Final answer
    x = 186,065,914.88

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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.