Home / 156,690,488.96-216,004,980.36-109,501,054.16

Finding the Fourth Proportional to 156,690,488.96, 216,004,980.36 and 109,501,054.16

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Solution

The fourth proportional to 156,690,488.96, 216,004,980.36 and 109,501,054.16 is: 150,952,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,690,488.96 : 216,004,980.36 = 109,501,054.16 : x
  2. Step 2: Convert to fraction form
    156,690,488.96/216,004,980.36 = 109,501,054.16/x
  3. Step 3: Cross multiply
    156,690,488.96x = 216,004,980.36 × 109,501,054.16
  4. Step 4: Simplify right side
    156,690,488.96x = 23,652,773,053,230,096
  5. Step 5: Solve for x
    x = 23,652,773,053,230,096/156,690,488.96
  6. Step 6: Final answer
    x = 150,952,193.78

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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.