Home / 113,959,910.31-157,318,904.70-76,347,837.83

Finding the Fourth Proportional to 113,959,910.31, 157,318,904.70 and 76,347,837.83

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Solution

The fourth proportional to 113,959,910.31, 157,318,904.70 and 76,347,837.83 is: 105,396,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,959,910.31 : 157,318,904.70 = 76,347,837.83 : x
  2. Step 2: Convert to fraction form
    113,959,910.31/157,318,904.70 = 76,347,837.83/x
  3. Step 3: Cross multiply
    113,959,910.31x = 157,318,904.70 × 76,347,837.83
  4. Step 4: Simplify right side
    113,959,910.31x = 12,010,958,224,022,120
  5. Step 5: Solve for x
    x = 12,010,958,224,022,120/113,959,910.31
  6. Step 6: Final answer
    x = 105,396,346.77

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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.