Home / 105,987,999.60-158,981,999.40-83,029,748.40

Finding the Fourth Proportional to 105,987,999.60, 158,981,999.40 and 83,029,748.40

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Solution

The fourth proportional to 105,987,999.60, 158,981,999.40 and 83,029,748.40 is: 124,544,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,987,999.60 : 158,981,999.40 = 83,029,748.40 : x
  2. Step 2: Convert to fraction form
    105,987,999.60/158,981,999.40 = 83,029,748.40/x
  3. Step 3: Cross multiply
    105,987,999.60x = 158,981,999.40 × 83,029,748.40
  4. Step 4: Simplify right side
    105,987,999.60x = 13,200,235,410,310,952
  5. Step 5: Solve for x
    x = 13,200,235,410,310,952/105,987,999.60
  6. Step 6: Final answer
    x = 124,544,622.60

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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.