Home / 110,266,972.80-165,400,459.20-73,278,679.20

Finding the Fourth Proportional to 110,266,972.80, 165,400,459.20 and 73,278,679.20

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Solution

The fourth proportional to 110,266,972.80, 165,400,459.20 and 73,278,679.20 is: 109,918,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,266,972.80 : 165,400,459.20 = 73,278,679.20 : x
  2. Step 2: Convert to fraction form
    110,266,972.80/165,400,459.20 = 73,278,679.20/x
  3. Step 3: Cross multiply
    110,266,972.80x = 165,400,459.20 × 73,278,679.20
  4. Step 4: Simplify right side
    110,266,972.80x = 12,120,327,189,249,488
  5. Step 5: Solve for x
    x = 12,120,327,189,249,488/110,266,972.80
  6. Step 6: Final answer
    x = 109,918,018.80

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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.