Home / 131,326,805.40-196,706,772.90-108,651,989.40

Finding the Fourth Proportional to 131,326,805.40, 196,706,772.90 and 108,651,989.40

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Solution

The fourth proportional to 131,326,805.40, 196,706,772.90 and 108,651,989.40 is: 162,743,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,326,805.40 : 196,706,772.90 = 108,651,989.40 : x
  2. Step 2: Convert to fraction form
    131,326,805.40/196,706,772.90 = 108,651,989.40/x
  3. Step 3: Cross multiply
    131,326,805.40x = 196,706,772.90 × 108,651,989.40
  4. Step 4: Simplify right side
    131,326,805.40x = 21,372,582,204,039,008
  5. Step 5: Solve for x
    x = 21,372,582,204,039,008/131,326,805.40
  6. Step 6: Final answer
    x = 162,743,486.67

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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.