Home / 110,622,001.80-165,933,002.70-76,581,784.20

Finding the Fourth Proportional to 110,622,001.80, 165,933,002.70 and 76,581,784.20

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Solution

The fourth proportional to 110,622,001.80, 165,933,002.70 and 76,581,784.20 is: 114,872,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,622,001.80 : 165,933,002.70 = 76,581,784.20 : x
  2. Step 2: Convert to fraction form
    110,622,001.80/165,933,002.70 = 76,581,784.20/x
  3. Step 3: Cross multiply
    110,622,001.80x = 165,933,002.70 × 76,581,784.20
  4. Step 4: Simplify right side
    110,622,001.80x = 12,707,445,404,429,416
  5. Step 5: Solve for x
    x = 12,707,445,404,429,416/110,622,001.80
  6. Step 6: Final answer
    x = 114,872,676.30

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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.