Home / 199,257,772.32-274,982,553-115,619,602.32

Finding the Fourth Proportional to 199,257,772.32, 274,982,553 and 115,619,602.32

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Solution

The fourth proportional to 199,257,772.32, 274,982,553 and 115,619,602.32 is: 159,559,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,257,772.32 : 274,982,553 = 115,619,602.32 : x
  2. Step 2: Convert to fraction form
    199,257,772.32/274,982,553 = 115,619,602.32/x
  3. Step 3: Cross multiply
    199,257,772.32x = 274,982,553 × 115,619,602.32
  4. Step 4: Simplify right side
    199,257,772.32x = 31,793,373,422,798,320
  5. Step 5: Solve for x
    x = 31,793,373,422,798,320/199,257,772.32
  6. Step 6: Final answer
    x = 159,559,012.69

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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.