Home / 156,690,489.10-216,004,980.52-109,501,054.28

Finding the Fourth Proportional to 156,690,489.10, 216,004,980.52 and 109,501,054.28

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Solution

The fourth proportional to 156,690,489.10, 216,004,980.52 and 109,501,054.28 is: 150,952,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,690,489.10 : 216,004,980.52 = 109,501,054.28 : x
  2. Step 2: Convert to fraction form
    156,690,489.10/216,004,980.52 = 109,501,054.28/x
  3. Step 3: Cross multiply
    156,690,489.10x = 216,004,980.52 × 109,501,054.28
  4. Step 4: Simplify right side
    156,690,489.10x = 23,652,773,096,670,864
  5. Step 5: Solve for x
    x = 23,652,773,096,670,864/156,690,489.10
  6. Step 6: Final answer
    x = 150,952,193.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.