Home / 191,782,209.60-264,643,446.24-108,145,653.12

Finding the Fourth Proportional to 191,782,209.60, 264,643,446.24 and 108,145,653.12

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Solution

The fourth proportional to 191,782,209.60, 264,643,446.24 and 108,145,653.12 is: 149,231,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,782,209.60 : 264,643,446.24 = 108,145,653.12 : x
  2. Step 2: Convert to fraction form
    191,782,209.60/264,643,446.24 = 108,145,653.12/x
  3. Step 3: Cross multiply
    191,782,209.60x = 264,643,446.24 × 108,145,653.12
  4. Step 4: Simplify right side
    191,782,209.60x = 28,620,038,337,552,412
  5. Step 5: Solve for x
    x = 28,620,038,337,552,412/191,782,209.60
  6. Step 6: Final answer
    x = 149,231,977.24

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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.