Home / 257,809,558.69-355,785,784.71-144,798,965.77

Finding the Fourth Proportional to 257,809,558.69, 355,785,784.71 and 144,798,965.77

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Solution

The fourth proportional to 257,809,558.69, 355,785,784.71 and 144,798,965.77 is: 199,827,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,809,558.69 : 355,785,784.71 = 144,798,965.77 : x
  2. Step 2: Convert to fraction form
    257,809,558.69/355,785,784.71 = 144,798,965.77/x
  3. Step 3: Cross multiply
    257,809,558.69x = 355,785,784.71 × 144,798,965.77
  4. Step 4: Simplify right side
    257,809,558.69x = 51,517,413,661,675,880
  5. Step 5: Solve for x
    x = 51,517,413,661,675,880/257,809,558.69
  6. Step 6: Final answer
    x = 199,827,399.43

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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.