Home / 152,997,018.86-229,370,475.60-71,166,914.66

Finding the Fourth Proportional to 152,997,018.86, 229,370,475.60 and 71,166,914.66

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Solution

The fourth proportional to 152,997,018.86, 229,370,475.60 and 71,166,914.66 is: 106,692,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,997,018.86 : 229,370,475.60 = 71,166,914.66 : x
  2. Step 2: Convert to fraction form
    152,997,018.86/229,370,475.60 = 71,166,914.66/x
  3. Step 3: Cross multiply
    152,997,018.86x = 229,370,475.60 × 71,166,914.66
  4. Step 4: Simplify right side
    152,997,018.86x = 16,323,589,062,548,812
  5. Step 5: Solve for x
    x = 16,323,589,062,548,812/152,997,018.86
  6. Step 6: Final answer
    x = 106,692,203.44

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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.