Home / 156,690,496.96-216,004,991.40-109,501,062.16

Finding the Fourth Proportional to 156,690,496.96, 216,004,991.40 and 109,501,062.16

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Solution

The fourth proportional to 156,690,496.96, 216,004,991.40 and 109,501,062.16 is: 150,952,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,690,496.96 : 216,004,991.40 = 109,501,062.16 : x
  2. Step 2: Convert to fraction form
    156,690,496.96/216,004,991.40 = 109,501,062.16/x
  3. Step 3: Cross multiply
    156,690,496.96x = 216,004,991.40 × 109,501,062.16
  4. Step 4: Simplify right side
    156,690,496.96x = 23,652,775,990,161,664
  5. Step 5: Solve for x
    x = 23,652,775,990,161,664/156,690,496.96
  6. Step 6: Final answer
    x = 150,952,204.82

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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.