Home / 113,335,631.80-170,003,447.70-67,985,999.80

Finding the Fourth Proportional to 113,335,631.80, 170,003,447.70 and 67,985,999.80

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Solution

The fourth proportional to 113,335,631.80, 170,003,447.70 and 67,985,999.80 is: 101,978,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,335,631.80 : 170,003,447.70 = 67,985,999.80 : x
  2. Step 2: Convert to fraction form
    113,335,631.80/170,003,447.70 = 67,985,999.80/x
  3. Step 3: Cross multiply
    113,335,631.80x = 170,003,447.70 × 67,985,999.80
  4. Step 4: Simplify right side
    113,335,631.80x = 11,557,854,361,331,510
  5. Step 5: Solve for x
    x = 11,557,854,361,331,510/113,335,631.80
  6. Step 6: Final answer
    x = 101,978,999.70

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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.