Home / 124,416,727.20-186,625,090.80-115,346,800.80

Finding the Fourth Proportional to 124,416,727.20, 186,625,090.80 and 115,346,800.80

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Solution

The fourth proportional to 124,416,727.20, 186,625,090.80 and 115,346,800.80 is: 173,020,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,727.20 : 186,625,090.80 = 115,346,800.80 : x
  2. Step 2: Convert to fraction form
    124,416,727.20/186,625,090.80 = 115,346,800.80/x
  3. Step 3: Cross multiply
    124,416,727.20x = 186,625,090.80 × 115,346,800.80
  4. Step 4: Simplify right side
    124,416,727.20x = 21,526,607,172,789,512
  5. Step 5: Solve for x
    x = 21,526,607,172,789,512/124,416,727.20
  6. Step 6: Final answer
    x = 173,020,201.20

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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.