Home / 356,650,148.49-492,180,769.65-200,013,891.54

Finding the Fourth Proportional to 356,650,148.49, 492,180,769.65 and 200,013,891.54

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Solution

The fourth proportional to 356,650,148.49, 492,180,769.65 and 200,013,891.54 is: 276,021,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,650,148.49 : 492,180,769.65 = 200,013,891.54 : x
  2. Step 2: Convert to fraction form
    356,650,148.49/492,180,769.65 = 200,013,891.54/x
  3. Step 3: Cross multiply
    356,650,148.49x = 492,180,769.65 × 200,013,891.54
  4. Step 4: Simplify right side
    356,650,148.49x = 98,442,991,076,618,208
  5. Step 5: Solve for x
    x = 98,442,991,076,618,208/356,650,148.49
  6. Step 6: Final answer
    x = 276,021,169.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.