Home / 120,201,073.12-165,875,853.16-67,277,765.04

Finding the Fourth Proportional to 120,201,073.12, 165,875,853.16 and 67,277,765.04

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Solution

The fourth proportional to 120,201,073.12, 165,875,853.16 and 67,277,765.04 is: 92,842,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,201,073.12 : 165,875,853.16 = 67,277,765.04 : x
  2. Step 2: Convert to fraction form
    120,201,073.12/165,875,853.16 = 67,277,765.04/x
  3. Step 3: Cross multiply
    120,201,073.12x = 165,875,853.16 × 67,277,765.04
  4. Step 4: Simplify right side
    120,201,073.12x = 11,159,756,674,708,022
  5. Step 5: Solve for x
    x = 11,159,756,674,708,022/120,201,073.12
  6. Step 6: Final answer
    x = 92,842,404.69

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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.