Home / 101,869,514.11-140,575,519.20-55,459,930.69

Finding the Fourth Proportional to 101,869,514.11, 140,575,519.20 and 55,459,930.69

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Solution

The fourth proportional to 101,869,514.11, 140,575,519.20 and 55,459,930.69 is: 76,532,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,869,514.11 : 140,575,519.20 = 55,459,930.69 : x
  2. Step 2: Convert to fraction form
    101,869,514.11/140,575,519.20 = 55,459,930.69/x
  3. Step 3: Cross multiply
    101,869,514.11x = 140,575,519.20 × 55,459,930.69
  4. Step 4: Simplify right side
    101,869,514.11x = 7,796,308,551,542,763
  5. Step 5: Solve for x
    x = 7,796,308,551,542,763/101,869,514.11
  6. Step 6: Final answer
    x = 76,532,303.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.