Home / 68,712,277.20-102,979,942.20-52,676,437.20

Finding the Fourth Proportional to 68,712,277.20, 102,979,942.20 and 52,676,437.20

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Solution

The fourth proportional to 68,712,277.20, 102,979,942.20 and 52,676,437.20 is: 78,946,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,712,277.20 : 102,979,942.20 = 52,676,437.20 : x
  2. Step 2: Convert to fraction form
    68,712,277.20/102,979,942.20 = 52,676,437.20/x
  3. Step 3: Cross multiply
    68,712,277.20x = 102,979,942.20 × 52,676,437.20
  4. Step 4: Simplify right side
    68,712,277.20x = 5,424,616,458,157,930
  5. Step 5: Solve for x
    x = 5,424,616,458,157,930/68,712,277.20
  6. Step 6: Final answer
    x = 78,946,829.87

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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.