Home / 203,364,012.90-305,046,019.35-65,189,352.90

Finding the Fourth Proportional to 203,364,012.90, 305,046,019.35 and 65,189,352.90

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Solution

The fourth proportional to 203,364,012.90, 305,046,019.35 and 65,189,352.90 is: 97,784,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,364,012.90 : 305,046,019.35 = 65,189,352.90 : x
  2. Step 2: Convert to fraction form
    203,364,012.90/305,046,019.35 = 65,189,352.90/x
  3. Step 3: Cross multiply
    203,364,012.90x = 305,046,019.35 × 65,189,352.90
  4. Step 4: Simplify right side
    203,364,012.90x = 19,885,752,606,147,380
  5. Step 5: Solve for x
    x = 19,885,752,606,147,380/203,364,012.90
  6. Step 6: Final answer
    x = 97,784,029.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.