Home / 287,850,272.64-397,242,764.64-157,470,080.64

Finding the Fourth Proportional to 287,850,272.64, 397,242,764.64 and 157,470,080.64

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Solution

The fourth proportional to 287,850,272.64, 397,242,764.64 and 157,470,080.64 is: 217,313,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,850,272.64 : 397,242,764.64 = 157,470,080.64 : x
  2. Step 2: Convert to fraction form
    287,850,272.64/397,242,764.64 = 157,470,080.64/x
  3. Step 3: Cross multiply
    287,850,272.64x = 397,242,764.64 × 157,470,080.64
  4. Step 4: Simplify right side
    287,850,272.64x = 62,553,850,181,517,336
  5. Step 5: Solve for x
    x = 62,553,850,181,517,336/287,850,272.64
  6. Step 6: Final answer
    x = 217,313,847.26

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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.