Home / 72,827,548.10-109,241,322.15-38,815,324.10

Finding the Fourth Proportional to 72,827,548.10, 109,241,322.15 and 38,815,324.10

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Solution

The fourth proportional to 72,827,548.10, 109,241,322.15 and 38,815,324.10 is: 58,222,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827,548.10 : 109,241,322.15 = 38,815,324.10 : x
  2. Step 2: Convert to fraction form
    72,827,548.10/109,241,322.15 = 38,815,324.10/x
  3. Step 3: Cross multiply
    72,827,548.10x = 109,241,322.15 × 38,815,324.10
  4. Step 4: Simplify right side
    72,827,548.10x = 4,240,237,324,364,759
  5. Step 5: Solve for x
    x = 4,240,237,324,364,759/72,827,548.10
  6. Step 6: Final answer
    x = 58,222,986.15

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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.