Home / 257,051,605.44-354,741,386.56-144,022,072.20

Finding the Fourth Proportional to 257,051,605.44, 354,741,386.56 and 144,022,072.20

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Solution

The fourth proportional to 257,051,605.44, 354,741,386.56 and 144,022,072.20 is: 198,756,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,051,605.44 : 354,741,386.56 = 144,022,072.20 : x
  2. Step 2: Convert to fraction form
    257,051,605.44/354,741,386.56 = 144,022,072.20/x
  3. Step 3: Cross multiply
    257,051,605.44x = 354,741,386.56 × 144,022,072.20
  4. Step 4: Simplify right side
    257,051,605.44x = 51,090,589,587,472,424
  5. Step 5: Solve for x
    x = 51,090,589,587,472,424/257,051,605.44
  6. Step 6: Final answer
    x = 198,756,158.32

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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.