Home / 204,593,732.69-307,084,618.89-126,634,818.06

Finding the Fourth Proportional to 204,593,732.69, 307,084,618.89 and 126,634,818.06

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Solution

The fourth proportional to 204,593,732.69, 307,084,618.89 and 126,634,818.06 is: 190,072,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,593,732.69 : 307,084,618.89 = 126,634,818.06 : x
  2. Step 2: Convert to fraction form
    204,593,732.69/307,084,618.89 = 126,634,818.06/x
  3. Step 3: Cross multiply
    204,593,732.69x = 307,084,618.89 × 126,634,818.06
  4. Step 4: Simplify right side
    204,593,732.69x = 38,887,604,842,159,592
  5. Step 5: Solve for x
    x = 38,887,604,842,159,592/204,593,732.69
  6. Step 6: Final answer
    x = 190,072,317.13

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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.