Home / 199,203,434.90-298,805,152.35-140,752,798.10

Finding the Fourth Proportional to 199,203,434.90, 298,805,152.35 and 140,752,798.10

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Solution

The fourth proportional to 199,203,434.90, 298,805,152.35 and 140,752,798.10 is: 211,129,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,203,434.90 : 298,805,152.35 = 140,752,798.10 : x
  2. Step 2: Convert to fraction form
    199,203,434.90/298,805,152.35 = 140,752,798.10/x
  3. Step 3: Cross multiply
    199,203,434.90x = 298,805,152.35 × 140,752,798.10
  4. Step 4: Simplify right side
    199,203,434.90x = 42,057,661,279,959,296
  5. Step 5: Solve for x
    x = 42,057,661,279,959,296/199,203,434.90
  6. Step 6: Final answer
    x = 211,129,197.15

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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.