Home / 261,780,746.40-361,259,944.38-144,310,279.32

Finding the Fourth Proportional to 261,780,746.40, 361,259,944.38 and 144,310,279.32

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Solution

The fourth proportional to 261,780,746.40, 361,259,944.38 and 144,310,279.32 is: 199,149,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,780,746.40 : 361,259,944.38 = 144,310,279.32 : x
  2. Step 2: Convert to fraction form
    261,780,746.40/361,259,944.38 = 144,310,279.32/x
  3. Step 3: Cross multiply
    261,780,746.40x = 361,259,944.38 × 144,310,279.32
  4. Step 4: Simplify right side
    261,780,746.40x = 52,133,523,480,605,464
  5. Step 5: Solve for x
    x = 52,133,523,480,605,464/261,780,746.40
  6. Step 6: Final answer
    x = 199,149,571.53

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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.