Home / 126,024,009.60-188,961,364.80-65,557,833.60

Finding the Fourth Proportional to 126,024,009.60, 188,961,364.80 and 65,557,833.60

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Solution

The fourth proportional to 126,024,009.60, 188,961,364.80 and 65,557,833.60 is: 98,297,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024,009.60 : 188,961,364.80 = 65,557,833.60 : x
  2. Step 2: Convert to fraction form
    126,024,009.60/188,961,364.80 = 65,557,833.60/x
  3. Step 3: Cross multiply
    126,024,009.60x = 188,961,364.80 × 65,557,833.60
  4. Step 4: Simplify right side
    126,024,009.60x = 12,387,897,710,387,298
  5. Step 5: Solve for x
    x = 12,387,897,710,387,298/126,024,009.60
  6. Step 6: Final answer
    x = 98,297,917.59

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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.