Home / 138,846,230.60-191,606,736.57-76,121,577.98

Finding the Fourth Proportional to 138,846,230.60, 191,606,736.57 and 76,121,577.98

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Solution

The fourth proportional to 138,846,230.60, 191,606,736.57 and 76,121,577.98 is: 105,047,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,846,230.60 : 191,606,736.57 = 76,121,577.98 : x
  2. Step 2: Convert to fraction form
    138,846,230.60/191,606,736.57 = 76,121,577.98/x
  3. Step 3: Cross multiply
    138,846,230.60x = 191,606,736.57 × 76,121,577.98
  4. Step 4: Simplify right side
    138,846,230.60x = 14,585,407,138,348,538
  5. Step 5: Solve for x
    x = 14,585,407,138,348,538/138,846,230.60
  6. Step 6: Final answer
    x = 105,047,195.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.