Home / 85,007,395.68-127,469,168.64-35,814,266.88

Finding the Fourth Proportional to 85,007,395.68, 127,469,168.64 and 35,814,266.88

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Solution

The fourth proportional to 85,007,395.68, 127,469,168.64 and 35,814,266.88 is: 53,703,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,007,395.68 : 127,469,168.64 = 35,814,266.88 : x
  2. Step 2: Convert to fraction form
    85,007,395.68/127,469,168.64 = 35,814,266.88/x
  3. Step 3: Cross multiply
    85,007,395.68x = 127,469,168.64 × 35,814,266.88
  4. Step 4: Simplify right side
    85,007,395.68x = 4,565,214,824,644,687
  5. Step 5: Solve for x
    x = 4,565,214,824,644,687/85,007,395.68
  6. Step 6: Final answer
    x = 53,703,737.05

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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.