Home / 287,169,029.52-396,287,878.20-175,651,678.44

Finding the Fourth Proportional to 287,169,029.52, 396,287,878.20 and 175,651,678.44

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Solution

The fourth proportional to 287,169,029.52, 396,287,878.20 and 175,651,678.44 is: 242,396,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,169,029.52 : 396,287,878.20 = 175,651,678.44 : x
  2. Step 2: Convert to fraction form
    287,169,029.52/396,287,878.20 = 175,651,678.44/x
  3. Step 3: Cross multiply
    287,169,029.52x = 396,287,878.20 × 175,651,678.44
  4. Step 4: Simplify right side
    287,169,029.52x = 69,608,630,951,256,280
  5. Step 5: Solve for x
    x = 69,608,630,951,256,280/287,169,029.52
  6. Step 6: Final answer
    x = 242,396,023.93

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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.