Home / 235,245,616.80-352,868,425.20-120,191,920.80

Finding the Fourth Proportional to 235,245,616.80, 352,868,425.20 and 120,191,920.80

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Solution

The fourth proportional to 235,245,616.80, 352,868,425.20 and 120,191,920.80 is: 180,287,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,245,616.80 : 352,868,425.20 = 120,191,920.80 : x
  2. Step 2: Convert to fraction form
    235,245,616.80/352,868,425.20 = 120,191,920.80/x
  3. Step 3: Cross multiply
    235,245,616.80x = 352,868,425.20 × 120,191,920.80
  4. Step 4: Simplify right side
    235,245,616.80x = 42,411,933,814,459,120
  5. Step 5: Solve for x
    x = 42,411,933,814,459,120/235,245,616.80
  6. Step 6: Final answer
    x = 180,287,881.20

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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.