Home / 99,675,097.80-149,540,640.30-48,558,784.20

Finding the Fourth Proportional to 99,675,097.80, 149,540,640.30 and 48,558,784.20

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Solution

The fourth proportional to 99,675,097.80, 149,540,640.30 and 48,558,784.20 is: 72,851,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,675,097.80 : 149,540,640.30 = 48,558,784.20 : x
  2. Step 2: Convert to fraction form
    99,675,097.80/149,540,640.30 = 48,558,784.20/x
  3. Step 3: Cross multiply
    99,675,097.80x = 149,540,640.30 × 48,558,784.20
  4. Step 4: Simplify right side
    99,675,097.80x = 7,261,511,681,457,524
  5. Step 5: Solve for x
    x = 7,261,511,681,457,524/99,675,097.80
  6. Step 6: Final answer
    x = 72,851,813.96

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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.