Home / 211,772,952.90-292,253,771.43-117,691,064.54

Finding the Fourth Proportional to 211,772,952.90, 292,253,771.43 and 117,691,064.54

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Solution

The fourth proportional to 211,772,952.90, 292,253,771.43 and 117,691,064.54 is: 162,417,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,772,952.90 : 292,253,771.43 = 117,691,064.54 : x
  2. Step 2: Convert to fraction form
    211,772,952.90/292,253,771.43 = 117,691,064.54/x
  3. Step 3: Cross multiply
    211,772,952.90x = 292,253,771.43 × 117,691,064.54
  4. Step 4: Simplify right side
    211,772,952.90x = 34,395,657,475,426,540
  5. Step 5: Solve for x
    x = 34,395,657,475,426,540/211,772,952.90
  6. Step 6: Final answer
    x = 162,417,612.85

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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.