Home / 290,439,037.52-400,814,271.24-160,067,243.60

Finding the Fourth Proportional to 290,439,037.52, 400,814,271.24 and 160,067,243.60

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Solution

The fourth proportional to 290,439,037.52, 400,814,271.24 and 160,067,243.60 is: 220,897,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,439,037.52 : 400,814,271.24 = 160,067,243.60 : x
  2. Step 2: Convert to fraction form
    290,439,037.52/400,814,271.24 = 160,067,243.60/x
  3. Step 3: Cross multiply
    290,439,037.52x = 400,814,271.24 × 160,067,243.60
  4. Step 4: Simplify right side
    290,439,037.52x = 64,157,235,592,929,552
  5. Step 5: Solve for x
    x = 64,157,235,592,929,552/290,439,037.52
  6. Step 6: Final answer
    x = 220,897,425.29

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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.