Home / 124,416,043.20-186,624,064.80-115,346,116.80

Finding the Fourth Proportional to 124,416,043.20, 186,624,064.80 and 115,346,116.80

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Solution

The fourth proportional to 124,416,043.20, 186,624,064.80 and 115,346,116.80 is: 173,019,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,043.20 : 186,624,064.80 = 115,346,116.80 : x
  2. Step 2: Convert to fraction form
    124,416,043.20/186,624,064.80 = 115,346,116.80/x
  3. Step 3: Cross multiply
    124,416,043.20x = 186,624,064.80 × 115,346,116.80
  4. Step 4: Simplify right side
    124,416,043.20x = 21,526,361,176,111,568
  5. Step 5: Solve for x
    x = 21,526,361,176,111,568/124,416,043.20
  6. Step 6: Final answer
    x = 173,019,175.20

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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.