Home / 215,691,405.60-323,537,108.40-181,254,028.80

Finding the Fourth Proportional to 215,691,405.60, 323,537,108.40 and 181,254,028.80

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Solution

The fourth proportional to 215,691,405.60, 323,537,108.40 and 181,254,028.80 is: 271,881,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,691,405.60 : 323,537,108.40 = 181,254,028.80 : x
  2. Step 2: Convert to fraction form
    215,691,405.60/323,537,108.40 = 181,254,028.80/x
  3. Step 3: Cross multiply
    215,691,405.60x = 323,537,108.40 × 181,254,028.80
  4. Step 4: Simplify right side
    215,691,405.60x = 58,642,404,363,802,320
  5. Step 5: Solve for x
    x = 58,642,404,363,802,320/215,691,405.60
  6. Step 6: Final answer
    x = 271,881,043.20

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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.