Home / 72,051,989.92-108,078,204.48-17,464,361.28

Finding the Fourth Proportional to 72,051,989.92, 108,078,204.48 and 17,464,361.28

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Solution

The fourth proportional to 72,051,989.92, 108,078,204.48 and 17,464,361.28 is: 26,196,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,051,989.92 : 108,078,204.48 = 17,464,361.28 : x
  2. Step 2: Convert to fraction form
    72,051,989.92/108,078,204.48 = 17,464,361.28/x
  3. Step 3: Cross multiply
    72,051,989.92x = 108,078,204.48 × 17,464,361.28
  4. Step 4: Simplify right side
    72,051,989.92x = 1,887,516,809,532,434.75
  5. Step 5: Solve for x
    x = 1,887,516,809,532,434.75/72,051,989.92
  6. Step 6: Final answer
    x = 26,196,595.15

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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.