Home / 156,339,739.20-234,509,608.80-107,966,798.40

Finding the Fourth Proportional to 156,339,739.20, 234,509,608.80 and 107,966,798.40

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Solution

The fourth proportional to 156,339,739.20, 234,509,608.80 and 107,966,798.40 is: 161,950,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,339,739.20 : 234,509,608.80 = 107,966,798.40 : x
  2. Step 2: Convert to fraction form
    156,339,739.20/234,509,608.80 = 107,966,798.40/x
  3. Step 3: Cross multiply
    156,339,739.20x = 234,509,608.80 × 107,966,798.40
  4. Step 4: Simplify right side
    156,339,739.20x = 25,319,251,656,172,468
  5. Step 5: Solve for x
    x = 25,319,251,656,172,468/156,339,739.20
  6. Step 6: Final answer
    x = 161,950,197.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.