Home / 235,002,147.23-324,310,263.06-129,153,641.87

Finding the Fourth Proportional to 235,002,147.23, 324,310,263.06 and 129,153,641.87

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Solution

The fourth proportional to 235,002,147.23, 324,310,263.06 and 129,153,641.87 is: 178,236,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,002,147.23 : 324,310,263.06 = 129,153,641.87 : x
  2. Step 2: Convert to fraction form
    235,002,147.23/324,310,263.06 = 129,153,641.87/x
  3. Step 3: Cross multiply
    235,002,147.23x = 324,310,263.06 × 129,153,641.87
  4. Step 4: Simplify right side
    235,002,147.23x = 41,885,851,570,016,736
  5. Step 5: Solve for x
    x = 41,885,851,570,016,736/235,002,147.23
  6. Step 6: Final answer
    x = 178,236,037.69

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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.