Home / 205,820,805.20-308,447,772.60-136,536,645.20

Finding the Fourth Proportional to 205,820,805.20, 308,447,772.60 and 136,536,645.20

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Solution

The fourth proportional to 205,820,805.20, 308,447,772.60 and 136,536,645.20 is: 204,616,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,820,805.20 : 308,447,772.60 = 136,536,645.20 : x
  2. Step 2: Convert to fraction form
    205,820,805.20/308,447,772.60 = 136,536,645.20/x
  3. Step 3: Cross multiply
    205,820,805.20x = 308,447,772.60 × 136,536,645.20
  4. Step 4: Simplify right side
    205,820,805.20x = 42,114,424,090,216,480
  5. Step 5: Solve for x
    x = 42,114,424,090,216,480/205,820,805.20
  6. Step 6: Final answer
    x = 204,616,943.60

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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.