Home / 65,609,175.80-98,413,763.70-31,522,302.20

Finding the Fourth Proportional to 65,609,175.80, 98,413,763.70 and 31,522,302.20

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Solution

The fourth proportional to 65,609,175.80, 98,413,763.70 and 31,522,302.20 is: 47,283,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,609,175.80 : 98,413,763.70 = 31,522,302.20 : x
  2. Step 2: Convert to fraction form
    65,609,175.80/98,413,763.70 = 31,522,302.20/x
  3. Step 3: Cross multiply
    65,609,175.80x = 98,413,763.70 × 31,522,302.20
  4. Step 4: Simplify right side
    65,609,175.80x = 3,102,228,399,990,790
  5. Step 5: Solve for x
    x = 3,102,228,399,990,790/65,609,175.80
  6. Step 6: Final answer
    x = 47,283,453.30

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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.