Home / 113,709,100.96-156,918,555.30-61,498,135.36

Finding the Fourth Proportional to 113,709,100.96, 156,918,555.30 and 61,498,135.36

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Solution

The fourth proportional to 113,709,100.96, 156,918,555.30 and 61,498,135.36 is: 84,867,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,709,100.96 : 156,918,555.30 = 61,498,135.36 : x
  2. Step 2: Convert to fraction form
    113,709,100.96/156,918,555.30 = 61,498,135.36/x
  3. Step 3: Cross multiply
    113,709,100.96x = 156,918,555.30 × 61,498,135.36
  4. Step 4: Simplify right side
    113,709,100.96x = 9,650,198,554,335,046
  5. Step 5: Solve for x
    x = 9,650,198,554,335,046/113,709,100.96
  6. Step 6: Final answer
    x = 84,867,424.62

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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.