Home / 48,085,032.96-72,150,896.64-21,155,205.12

Finding the Fourth Proportional to 48,085,032.96, 72,150,896.64 and 21,155,205.12

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Solution

The fourth proportional to 48,085,032.96, 72,150,896.64 and 21,155,205.12 is: 31,743,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,085,032.96 : 72,150,896.64 = 21,155,205.12 : x
  2. Step 2: Convert to fraction form
    48,085,032.96/72,150,896.64 = 21,155,205.12/x
  3. Step 3: Cross multiply
    48,085,032.96x = 72,150,896.64 × 21,155,205.12
  4. Step 4: Simplify right side
    48,085,032.96x = 1,526,367,018,011,119
  5. Step 5: Solve for x
    x = 1,526,367,018,011,119/48,085,032.96
  6. Step 6: Final answer
    x = 31,743,079.38

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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.