Home / 126,378,003.60-189,567,005.40-61,691,792.40

Finding the Fourth Proportional to 126,378,003.60, 189,567,005.40 and 61,691,792.40

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Solution

The fourth proportional to 126,378,003.60, 189,567,005.40 and 61,691,792.40 is: 92,537,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,378,003.60 : 189,567,005.40 = 61,691,792.40 : x
  2. Step 2: Convert to fraction form
    126,378,003.60/189,567,005.40 = 61,691,792.40/x
  3. Step 3: Cross multiply
    126,378,003.60x = 189,567,005.40 × 61,691,792.40
  4. Step 4: Simplify right side
    126,378,003.60x = 11,694,728,343,026,480
  5. Step 5: Solve for x
    x = 11,694,728,343,026,480/126,378,003.60
  6. Step 6: Final answer
    x = 92,537,688.60

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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.