Home / 116,855,791.50-161,265,740.49-64,643,926.98

Finding the Fourth Proportional to 116,855,791.50, 161,265,740.49 and 64,643,926.98

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Solution

The fourth proportional to 116,855,791.50, 161,265,740.49 and 64,643,926.98 is: 89,211,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,855,791.50 : 161,265,740.49 = 64,643,926.98 : x
  2. Step 2: Convert to fraction form
    116,855,791.50/161,265,740.49 = 64,643,926.98/x
  3. Step 3: Cross multiply
    116,855,791.50x = 161,265,740.49 × 64,643,926.98
  4. Step 4: Simplify right side
    116,855,791.50x = 10,424,850,752,611,190
  5. Step 5: Solve for x
    x = 10,424,850,752,611,190/116,855,791.50
  6. Step 6: Final answer
    x = 89,211,245.92

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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.