Home / 51,685,120.33-71,325,472.83-28,163,661.01

Finding the Fourth Proportional to 51,685,120.33, 71,325,472.83 and 28,163,661.01

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Solution

The fourth proportional to 51,685,120.33, 71,325,472.83 and 28,163,661.01 is: 38,865,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685,120.33 : 71,325,472.83 = 28,163,661.01 : x
  2. Step 2: Convert to fraction form
    51,685,120.33/71,325,472.83 = 28,163,661.01/x
  3. Step 3: Cross multiply
    51,685,120.33x = 71,325,472.83 × 28,163,661.01
  4. Step 4: Simplify right side
    51,685,120.33x = 2,008,786,437,878,158
  5. Step 5: Solve for x
    x = 2,008,786,437,878,158/51,685,120.33
  6. Step 6: Final answer
    x = 38,865,855.88

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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.