Home / 131,155,405.20-196,575,643.80-54,438,944.40

Finding the Fourth Proportional to 131,155,405.20, 196,575,643.80 and 54,438,944.40

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Solution

The fourth proportional to 131,155,405.20, 196,575,643.80 and 54,438,944.40 is: 81,593,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,155,405.20 : 196,575,643.80 = 54,438,944.40 : x
  2. Step 2: Convert to fraction form
    131,155,405.20/196,575,643.80 = 54,438,944.40/x
  3. Step 3: Cross multiply
    131,155,405.20x = 196,575,643.80 × 54,438,944.40
  4. Step 4: Simplify right side
    131,155,405.20x = 10,701,370,543,222,406
  5. Step 5: Solve for x
    x = 10,701,370,543,222,406/131,155,405.20
  6. Step 6: Final answer
    x = 81,593,057.69

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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.