Home / 76,640,172.19-114,959,175.68-35,676,699.91

Finding the Fourth Proportional to 76,640,172.19, 114,959,175.68 and 35,676,699.91

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Solution

The fourth proportional to 76,640,172.19, 114,959,175.68 and 35,676,699.91 is: 53,514,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,640,172.19 : 114,959,175.68 = 35,676,699.91 : x
  2. Step 2: Convert to fraction form
    76,640,172.19/114,959,175.68 = 35,676,699.91/x
  3. Step 3: Cross multiply
    76,640,172.19x = 114,959,175.68 × 35,676,699.91
  4. Step 4: Simplify right side
    76,640,172.19x = 4,101,364,012,259,740
  5. Step 5: Solve for x
    x = 4,101,364,012,259,740/76,640,172.19
  6. Step 6: Final answer
    x = 53,514,545.90

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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.