Home / 72,095,212.32-108,153,672.24-20,970,500.64

Finding the Fourth Proportional to 72,095,212.32, 108,153,672.24 and 20,970,500.64

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Solution

The fourth proportional to 72,095,212.32, 108,153,672.24 and 20,970,500.64 is: 31,458,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,095,212.32 : 108,153,672.24 = 20,970,500.64 : x
  2. Step 2: Convert to fraction form
    72,095,212.32/108,153,672.24 = 20,970,500.64/x
  3. Step 3: Cross multiply
    72,095,212.32x = 108,153,672.24 × 20,970,500.64
  4. Step 4: Simplify right side
    72,095,212.32x = 2,268,036,652,927,270
  5. Step 5: Solve for x
    x = 2,268,036,652,927,270/72,095,212.32
  6. Step 6: Final answer
    x = 31,458,908.02

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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.