Home / 117,431,327.90-176,146,991.85-85,014,739.10

Finding the Fourth Proportional to 117,431,327.90, 176,146,991.85 and 85,014,739.10

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Solution

The fourth proportional to 117,431,327.90, 176,146,991.85 and 85,014,739.10 is: 127,522,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,431,327.90 : 176,146,991.85 = 85,014,739.10 : x
  2. Step 2: Convert to fraction form
    117,431,327.90/176,146,991.85 = 85,014,739.10/x
  3. Step 3: Cross multiply
    117,431,327.90x = 176,146,991.85 × 85,014,739.10
  4. Step 4: Simplify right side
    117,431,327.90x = 14,975,090,555,377,574
  5. Step 5: Solve for x
    x = 14,975,090,555,377,574/117,431,327.90
  6. Step 6: Final answer
    x = 127,522,108.65

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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.