Home / 72,171,036.90-108,256,555.35-23,650,473.60

Finding the Fourth Proportional to 72,171,036.90, 108,256,555.35 and 23,650,473.60

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Solution

The fourth proportional to 72,171,036.90, 108,256,555.35 and 23,650,473.60 is: 35,475,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,036.90 : 108,256,555.35 = 23,650,473.60 : x
  2. Step 2: Convert to fraction form
    72,171,036.90/108,256,555.35 = 23,650,473.60/x
  3. Step 3: Cross multiply
    72,171,036.90x = 108,256,555.35 × 23,650,473.60
  4. Step 4: Simplify right side
    72,171,036.90x = 2,560,318,804,332,114
  5. Step 5: Solve for x
    x = 2,560,318,804,332,114/72,171,036.90
  6. Step 6: Final answer
    x = 35,475,710.40

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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.