Home / 135,140,878.04-202,690,835.25-36,780,249.50

Finding the Fourth Proportional to 135,140,878.04, 202,690,835.25 and 36,780,249.50

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Solution

The fourth proportional to 135,140,878.04, 202,690,835.25 and 36,780,249.50 is: 55,164,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,140,878.04 : 202,690,835.25 = 36,780,249.50 : x
  2. Step 2: Convert to fraction form
    135,140,878.04/202,690,835.25 = 36,780,249.50/x
  3. Step 3: Cross multiply
    135,140,878.04x = 202,690,835.25 × 36,780,249.50
  4. Step 4: Simplify right side
    135,140,878.04x = 7,455,019,490,844,940
  5. Step 5: Solve for x
    x = 7,455,019,490,844,940/135,140,878.04
  6. Step 6: Final answer
    x = 55,164,799.87

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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.