Home / 55,407,321.28-76,460,636.64-30,961,236.16

Finding the Fourth Proportional to 55,407,321.28, 76,460,636.64 and 30,961,236.16

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Solution

The fourth proportional to 55,407,321.28, 76,460,636.64 and 30,961,236.16 is: 42,725,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,407,321.28 : 76,460,636.64 = 30,961,236.16 : x
  2. Step 2: Convert to fraction form
    55,407,321.28/76,460,636.64 = 30,961,236.16/x
  3. Step 3: Cross multiply
    55,407,321.28x = 76,460,636.64 × 30,961,236.16
  4. Step 4: Simplify right side
    55,407,321.28x = 2,367,315,827,954,989
  5. Step 5: Solve for x
    x = 2,367,315,827,954,989/55,407,321.28
  6. Step 6: Final answer
    x = 42,725,686.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.