Home / 156,690,499.70-216,004,995.18-109,501,064.90

Finding the Fourth Proportional to 156,690,499.70, 216,004,995.18 and 109,501,064.90

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Solution

The fourth proportional to 156,690,499.70, 216,004,995.18 and 109,501,064.90 is: 150,952,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,690,499.70 : 216,004,995.18 = 109,501,064.90 : x
  2. Step 2: Convert to fraction form
    156,690,499.70/216,004,995.18 = 109,501,064.90/x
  3. Step 3: Cross multiply
    156,690,499.70x = 216,004,995.18 × 109,501,064.90
  4. Step 4: Simplify right side
    156,690,499.70x = 23,652,776,995,929,368
  5. Step 5: Solve for x
    x = 23,652,776,995,929,368/156,690,499.70
  6. Step 6: Final answer
    x = 150,952,208.60

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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.