Home / 120,744,067.60-181,116,101.40-112,241,011.60

Finding the Fourth Proportional to 120,744,067.60, 181,116,101.40 and 112,241,011.60

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Solution

The fourth proportional to 120,744,067.60, 181,116,101.40 and 112,241,011.60 is: 168,361,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744,067.60 : 181,116,101.40 = 112,241,011.60 : x
  2. Step 2: Convert to fraction form
    120,744,067.60/181,116,101.40 = 112,241,011.60/x
  3. Step 3: Cross multiply
    120,744,067.60x = 181,116,101.40 × 112,241,011.60
  4. Step 4: Simplify right side
    120,744,067.60x = 20,328,654,438,184,176
  5. Step 5: Solve for x
    x = 20,328,654,438,184,176/120,744,067.60
  6. Step 6: Final answer
    x = 168,361,517.40

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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.