Home / 180,384,853.20-270,378,214.20-99,663,752.40

Finding the Fourth Proportional to 180,384,853.20, 270,378,214.20 and 99,663,752.40

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Solution

The fourth proportional to 180,384,853.20, 270,378,214.20 and 99,663,752.40 is: 149,385,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,384,853.20 : 270,378,214.20 = 99,663,752.40 : x
  2. Step 2: Convert to fraction form
    180,384,853.20/270,378,214.20 = 99,663,752.40/x
  3. Step 3: Cross multiply
    180,384,853.20x = 270,378,214.20 × 99,663,752.40
  4. Step 4: Simplify right side
    180,384,853.20x = 26,946,907,394,382,964
  5. Step 5: Solve for x
    x = 26,946,907,394,382,964/180,384,853.20
  6. Step 6: Final answer
    x = 149,385,643.62

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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.