Home / 131,326,806.40-196,706,774.40-108,651,990.40

Finding the Fourth Proportional to 131,326,806.40, 196,706,774.40 and 108,651,990.40

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Solution

The fourth proportional to 131,326,806.40, 196,706,774.40 and 108,651,990.40 is: 162,743,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,326,806.40 : 196,706,774.40 = 108,651,990.40 : x
  2. Step 2: Convert to fraction form
    131,326,806.40/196,706,774.40 = 108,651,990.40/x
  3. Step 3: Cross multiply
    131,326,806.40x = 196,706,774.40 × 108,651,990.40
  4. Step 4: Simplify right side
    131,326,806.40x = 21,372,582,563,723,768
  5. Step 5: Solve for x
    x = 21,372,582,563,723,768/131,326,806.40
  6. Step 6: Final answer
    x = 162,743,488.17

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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.