Home / 112,161,601.80-168,242,402.70-68,890,494.60

Finding the Fourth Proportional to 112,161,601.80, 168,242,402.70 and 68,890,494.60

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Solution

The fourth proportional to 112,161,601.80, 168,242,402.70 and 68,890,494.60 is: 103,335,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,161,601.80 : 168,242,402.70 = 68,890,494.60 : x
  2. Step 2: Convert to fraction form
    112,161,601.80/168,242,402.70 = 68,890,494.60/x
  3. Step 3: Cross multiply
    112,161,601.80x = 168,242,402.70 × 68,890,494.60
  4. Step 4: Simplify right side
    112,161,601.80x = 11,590,302,334,695,374
  5. Step 5: Solve for x
    x = 11,590,302,334,695,374/112,161,601.80
  6. Step 6: Final answer
    x = 103,335,741.90

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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.