Home / 282,140,265.36-389,410,847.28-163,067,915.60

Finding the Fourth Proportional to 282,140,265.36, 389,410,847.28 and 163,067,915.60

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Solution

The fourth proportional to 282,140,265.36, 389,410,847.28 and 163,067,915.60 is: 225,066,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,140,265.36 : 389,410,847.28 = 163,067,915.60 : x
  2. Step 2: Convert to fraction form
    282,140,265.36/389,410,847.28 = 163,067,915.60/x
  3. Step 3: Cross multiply
    282,140,265.36x = 389,410,847.28 × 163,067,915.60
  4. Step 4: Simplify right side
    282,140,265.36x = 63,500,415,177,979,520
  5. Step 5: Solve for x
    x = 63,500,415,177,979,520/282,140,265.36
  6. Step 6: Final answer
    x = 225,066,830.13

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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.