Home / 128,357,967.60-192,488,695.25-46,456,610.94

Finding the Fourth Proportional to 128,357,967.60, 192,488,695.25 and 46,456,610.94

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Solution

The fourth proportional to 128,357,967.60, 192,488,695.25 and 46,456,610.94 is: 69,667,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,357,967.60 : 192,488,695.25 = 46,456,610.94 : x
  2. Step 2: Convert to fraction form
    128,357,967.60/192,488,695.25 = 46,456,610.94/x
  3. Step 3: Cross multiply
    128,357,967.60x = 192,488,695.25 × 46,456,610.94
  4. Step 4: Simplify right side
    128,357,967.60x = 8,942,372,425,345,193
  5. Step 5: Solve for x
    x = 8,942,372,425,345,193/128,357,967.60
  6. Step 6: Final answer
    x = 69,667,451.06

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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.