Home / 80,451,985.05-120,677,977.58-29,335,671.45

Finding the Fourth Proportional to 80,451,985.05, 120,677,977.58 and 29,335,671.45

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Solution

The fourth proportional to 80,451,985.05, 120,677,977.58 and 29,335,671.45 is: 44,003,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451,985.05 : 120,677,977.58 = 29,335,671.45 : x
  2. Step 2: Convert to fraction form
    80,451,985.05/120,677,977.58 = 29,335,671.45/x
  3. Step 3: Cross multiply
    80,451,985.05x = 120,677,977.58 × 29,335,671.45
  4. Step 4: Simplify right side
    80,451,985.05x = 3,540,169,501,390,667.50
  5. Step 5: Solve for x
    x = 3,540,169,501,390,667.50/80,451,985.05
  6. Step 6: Final answer
    x = 44,003,507.18

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Double scale
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Similar ratio
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1.5x scale

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.