Home / 251,838,589.40-347,533,720.66-140,334,129.91

Finding the Fourth Proportional to 251,838,589.40, 347,533,720.66 and 140,334,129.91

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Solution

The fourth proportional to 251,838,589.40, 347,533,720.66 and 140,334,129.91 is: 193,659,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,838,589.40 : 347,533,720.66 = 140,334,129.91 : x
  2. Step 2: Convert to fraction form
    251,838,589.40/347,533,720.66 = 140,334,129.91/x
  3. Step 3: Cross multiply
    251,838,589.40x = 347,533,720.66 × 140,334,129.91
  4. Step 4: Simplify right side
    251,838,589.40x = 48,770,842,303,206,096
  5. Step 5: Solve for x
    x = 48,770,842,303,206,096/251,838,589.40
  6. Step 6: Final answer
    x = 193,659,130.71

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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.