Home / 257,051,603.43-354,741,383.79-144,022,070.19

Finding the Fourth Proportional to 257,051,603.43, 354,741,383.79 and 144,022,070.19

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Solution

The fourth proportional to 257,051,603.43, 354,741,383.79 and 144,022,070.19 is: 198,756,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,051,603.43 : 354,741,383.79 = 144,022,070.19 : x
  2. Step 2: Convert to fraction form
    257,051,603.43/354,741,383.79 = 144,022,070.19/x
  3. Step 3: Cross multiply
    257,051,603.43x = 354,741,383.79 × 144,022,070.19
  4. Step 4: Simplify right side
    257,051,603.43x = 51,090,588,475,501,112
  5. Step 5: Solve for x
    x = 51,090,588,475,501,112/257,051,603.43
  6. Step 6: Final answer
    x = 198,756,155.55

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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.