Home / 101,964,926.16-140,709,813.12-55,555,513.92

Finding the Fourth Proportional to 101,964,926.16, 140,709,813.12 and 55,555,513.92

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Solution

The fourth proportional to 101,964,926.16, 140,709,813.12 and 55,555,513.92 is: 76,665,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,964,926.16 : 140,709,813.12 = 55,555,513.92 : x
  2. Step 2: Convert to fraction form
    101,964,926.16/140,709,813.12 = 55,555,513.92/x
  3. Step 3: Cross multiply
    101,964,926.16x = 140,709,813.12 × 55,555,513.92
  4. Step 4: Simplify right side
    101,964,926.16x = 7,817,205,981,468,759
  5. Step 5: Solve for x
    x = 7,817,205,981,468,759/101,964,926.16
  6. Step 6: Final answer
    x = 76,665,636.66

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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.