Home / 215,856,005.40-323,784,008.10-54,297,941.40

Finding the Fourth Proportional to 215,856,005.40, 323,784,008.10 and 54,297,941.40

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Solution

The fourth proportional to 215,856,005.40, 323,784,008.10 and 54,297,941.40 is: 81,446,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,856,005.40 : 323,784,008.10 = 54,297,941.40 : x
  2. Step 2: Convert to fraction form
    215,856,005.40/323,784,008.10 = 54,297,941.40/x
  3. Step 3: Cross multiply
    215,856,005.40x = 323,784,008.10 × 54,297,941.40
  4. Step 4: Simplify right side
    215,856,005.40x = 17,580,805,098,070,926
  5. Step 5: Solve for x
    x = 17,580,805,098,070,926/215,856,005.40
  6. Step 6: Final answer
    x = 81,446,912.10

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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.