Home / 136,305,763.20-204,459,811.20-45,429,352.20

Finding the Fourth Proportional to 136,305,763.20, 204,459,811.20 and 45,429,352.20

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Solution

The fourth proportional to 136,305,763.20, 204,459,811.20 and 45,429,352.20 is: 68,144,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,305,763.20 : 204,459,811.20 = 45,429,352.20 : x
  2. Step 2: Convert to fraction form
    136,305,763.20/204,459,811.20 = 45,429,352.20/x
  3. Step 3: Cross multiply
    136,305,763.20x = 204,459,811.20 × 45,429,352.20
  4. Step 4: Simplify right side
    136,305,763.20x = 9,288,476,773,750,304
  5. Step 5: Solve for x
    x = 9,288,476,773,750,304/136,305,763.20
  6. Step 6: Final answer
    x = 68,144,417.05

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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.