Home / 257,051,613.96-354,741,398.28-144,022,080.66

Finding the Fourth Proportional to 257,051,613.96, 354,741,398.28 and 144,022,080.66

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Solution

The fourth proportional to 257,051,613.96, 354,741,398.28 and 144,022,080.66 is: 198,756,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,051,613.96 : 354,741,398.28 = 144,022,080.66 : x
  2. Step 2: Convert to fraction form
    257,051,613.96/354,741,398.28 = 144,022,080.66/x
  3. Step 3: Cross multiply
    257,051,613.96x = 354,741,398.28 × 144,022,080.66
  4. Step 4: Simplify right side
    257,051,613.96x = 51,090,594,276,523,336
  5. Step 5: Solve for x
    x = 51,090,594,276,523,336/257,051,613.96
  6. Step 6: Final answer
    x = 198,756,169.97

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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.