Home / 156,690,491.60-216,004,983.97-109,501,056.78

Finding the Fourth Proportional to 156,690,491.60, 216,004,983.97 and 109,501,056.78

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Solution

The fourth proportional to 156,690,491.60, 216,004,983.97 and 109,501,056.78 is: 150,952,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,690,491.60 : 216,004,983.97 = 109,501,056.78 : x
  2. Step 2: Convert to fraction form
    156,690,491.60/216,004,983.97 = 109,501,056.78/x
  3. Step 3: Cross multiply
    156,690,491.60x = 216,004,983.97 × 109,501,056.78
  4. Step 4: Simplify right side
    156,690,491.60x = 23,652,774,014,461,960
  5. Step 5: Solve for x
    x = 23,652,774,014,461,960/156,690,491.60
  6. Step 6: Final answer
    x = 150,952,197.37

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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.