Home / 53,444,640.80-80,166,961.20-45,791,890.40

Finding the Fourth Proportional to 53,444,640.80, 80,166,961.20 and 45,791,890.40

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Solution

The fourth proportional to 53,444,640.80, 80,166,961.20 and 45,791,890.40 is: 68,687,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,444,640.80 : 80,166,961.20 = 45,791,890.40 : x
  2. Step 2: Convert to fraction form
    53,444,640.80/80,166,961.20 = 45,791,890.40/x
  3. Step 3: Cross multiply
    53,444,640.80x = 80,166,961.20 × 45,791,890.40
  4. Step 4: Simplify right side
    53,444,640.80x = 3,670,996,700,971,452.50
  5. Step 5: Solve for x
    x = 3,670,996,700,971,452.50/53,444,640.80
  6. Step 6: Final answer
    x = 68,687,835.60

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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.