Home / 76,624,241.16-114,951,487.54-28,102,515.33

Finding the Fourth Proportional to 76,624,241.16, 114,951,487.54 and 28,102,515.33

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Solution

The fourth proportional to 76,624,241.16, 114,951,487.54 and 28,102,515.33 is: 42,159,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,624,241.16 : 114,951,487.54 = 28,102,515.33 : x
  2. Step 2: Convert to fraction form
    76,624,241.16/114,951,487.54 = 28,102,515.33/x
  3. Step 3: Cross multiply
    76,624,241.16x = 114,951,487.54 × 28,102,515.33
  4. Step 4: Simplify right side
    76,624,241.16x = 3,230,425,941,291,766.50
  5. Step 5: Solve for x
    x = 3,230,425,941,291,766.50/76,624,241.16
  6. Step 6: Final answer
    x = 42,159,320.50

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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.