Home / 215,588,704.80-323,430,296.40-69,997,490.40

Finding the Fourth Proportional to 215,588,704.80, 323,430,296.40 and 69,997,490.40

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Solution

The fourth proportional to 215,588,704.80, 323,430,296.40 and 69,997,490.40 is: 105,011,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,588,704.80 : 323,430,296.40 = 69,997,490.40 : x
  2. Step 2: Convert to fraction form
    215,588,704.80/323,430,296.40 = 69,997,490.40/x
  3. Step 3: Cross multiply
    215,588,704.80x = 323,430,296.40 × 69,997,490.40
  4. Step 4: Simplify right side
    215,588,704.80x = 22,639,309,067,328,156
  5. Step 5: Solve for x
    x = 22,639,309,067,328,156/215,588,704.80
  6. Step 6: Final answer
    x = 105,011,573.26

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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.