Home / 51,551,915.52-71,139,731.04-28,345,661.76

Finding the Fourth Proportional to 51,551,915.52, 71,139,731.04 and 28,345,661.76

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Solution

The fourth proportional to 51,551,915.52, 71,139,731.04 and 28,345,661.76 is: 39,115,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551,915.52 : 71,139,731.04 = 28,345,661.76 : x
  2. Step 2: Convert to fraction form
    51,551,915.52/71,139,731.04 = 28,345,661.76/x
  3. Step 3: Cross multiply
    51,551,915.52x = 71,139,731.04 × 28,345,661.76
  4. Step 4: Simplify right side
    51,551,915.52x = 2,016,502,753,757,213.25
  5. Step 5: Solve for x
    x = 2,016,502,753,757,213.25/51,551,915.52
  6. Step 6: Final answer
    x = 39,115,961.71

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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.