Home / 76,664,719.80-114,997,079.70-47,966,905.80

Finding the Fourth Proportional to 76,664,719.80, 114,997,079.70 and 47,966,905.80

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Solution

The fourth proportional to 76,664,719.80, 114,997,079.70 and 47,966,905.80 is: 71,950,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,664,719.80 : 114,997,079.70 = 47,966,905.80 : x
  2. Step 2: Convert to fraction form
    76,664,719.80/114,997,079.70 = 47,966,905.80/x
  3. Step 3: Cross multiply
    76,664,719.80x = 114,997,079.70 × 47,966,905.80
  4. Step 4: Simplify right side
    76,664,719.80x = 5,516,054,089,244,992
  5. Step 5: Solve for x
    x = 5,516,054,089,244,992/76,664,719.80
  6. Step 6: Final answer
    x = 71,950,358.70

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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.