Home / 76,831,684.16-115,247,723.04-31,393,478.56

Finding the Fourth Proportional to 76,831,684.16, 115,247,723.04 and 31,393,478.56

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Solution

The fourth proportional to 76,831,684.16, 115,247,723.04 and 31,393,478.56 is: 47,090,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,831,684.16 : 115,247,723.04 = 31,393,478.56 : x
  2. Step 2: Convert to fraction form
    76,831,684.16/115,247,723.04 = 31,393,478.56/x
  3. Step 3: Cross multiply
    76,831,684.16x = 115,247,723.04 × 31,393,478.56
  4. Step 4: Simplify right side
    76,831,684.16x = 3,618,026,922,345,058
  5. Step 5: Solve for x
    x = 3,618,026,922,345,058/76,831,684.16
  6. Step 6: Final answer
    x = 47,090,298.25

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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.