Home / 76,638,933.60-114,958,400.40-49,429,154.40

Finding the Fourth Proportional to 76,638,933.60, 114,958,400.40 and 49,429,154.40

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Solution

The fourth proportional to 76,638,933.60, 114,958,400.40 and 49,429,154.40 is: 74,143,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,638,933.60 : 114,958,400.40 = 49,429,154.40 : x
  2. Step 2: Convert to fraction form
    76,638,933.60/114,958,400.40 = 49,429,154.40/x
  3. Step 3: Cross multiply
    76,638,933.60x = 114,958,400.40 × 49,429,154.40
  4. Step 4: Simplify right side
    76,638,933.60x = 5,682,296,522,948,622
  5. Step 5: Solve for x
    x = 5,682,296,522,948,622/76,638,933.60
  6. Step 6: Final answer
    x = 74,143,731.60

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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.