Home / 178,575,869.80-267,863,999.10-70,870,493.80

Finding the Fourth Proportional to 178,575,869.80, 267,863,999.10 and 70,870,493.80

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Solution

The fourth proportional to 178,575,869.80, 267,863,999.10 and 70,870,493.80 is: 106,305,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,575,869.80 : 267,863,999.10 = 70,870,493.80 : x
  2. Step 2: Convert to fraction form
    178,575,869.80/267,863,999.10 = 70,870,493.80/x
  3. Step 3: Cross multiply
    178,575,869.80x = 267,863,999.10 × 70,870,493.80
  4. Step 4: Simplify right side
    178,575,869.80x = 18,983,653,887,459,756
  5. Step 5: Solve for x
    x = 18,983,653,887,459,756/178,575,869.80
  6. Step 6: Final answer
    x = 106,305,817.85

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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.