Home / 261,790,900.64-361,273,879.68-144,320,434.56

Finding the Fourth Proportional to 261,790,900.64, 361,273,879.68 and 144,320,434.56

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Solution

The fourth proportional to 261,790,900.64, 361,273,879.68 and 144,320,434.56 is: 199,163,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,790,900.64 : 361,273,879.68 = 144,320,434.56 : x
  2. Step 2: Convert to fraction form
    261,790,900.64/361,273,879.68 = 144,320,434.56/x
  3. Step 3: Cross multiply
    261,790,900.64x = 361,273,879.68 × 144,320,434.56
  4. Step 4: Simplify right side
    261,790,900.64x = 52,139,203,310,594,752
  5. Step 5: Solve for x
    x = 52,139,203,310,594,752/261,790,900.64
  6. Step 6: Final answer
    x = 199,163,543.05

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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.