Home / 100,123,829.52-150,209,178-31,033,022.16

Finding the Fourth Proportional to 100,123,829.52, 150,209,178 and 31,033,022.16

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Solution

The fourth proportional to 100,123,829.52, 150,209,178 and 31,033,022.16 is: 46,556,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,123,829.52 : 150,209,178 = 31,033,022.16 : x
  2. Step 2: Convert to fraction form
    100,123,829.52/150,209,178 = 31,033,022.16/x
  3. Step 3: Cross multiply
    100,123,829.52x = 150,209,178 × 31,033,022.16
  4. Step 4: Simplify right side
    100,123,829.52x = 4,661,444,749,509,385
  5. Step 5: Solve for x
    x = 4,661,444,749,509,385/100,123,829.52
  6. Step 6: Final answer
    x = 46,556,796.44

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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.