Home / 205,820,740.20-308,447,675.10-136,536,580.20

Finding the Fourth Proportional to 205,820,740.20, 308,447,675.10 and 136,536,580.20

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Solution

The fourth proportional to 205,820,740.20, 308,447,675.10 and 136,536,580.20 is: 204,616,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,820,740.20 : 308,447,675.10 = 136,536,580.20 : x
  2. Step 2: Convert to fraction form
    205,820,740.20/308,447,675.10 = 136,536,580.20/x
  3. Step 3: Cross multiply
    205,820,740.20x = 308,447,675.10 × 136,536,580.20
  4. Step 4: Simplify right side
    205,820,740.20x = 42,114,390,728,794,696
  5. Step 5: Solve for x
    x = 42,114,390,728,794,696/205,820,740.20
  6. Step 6: Final answer
    x = 204,616,846.13

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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.