Home / 102,728,630.24-154,145,923.41-48,146,760.90

Finding the Fourth Proportional to 102,728,630.24, 154,145,923.41 and 48,146,760.90

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Solution

The fourth proportional to 102,728,630.24, 154,145,923.41 and 48,146,760.90 is: 72,244,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,728,630.24 : 154,145,923.41 = 48,146,760.90 : x
  2. Step 2: Convert to fraction form
    102,728,630.24/154,145,923.41 = 48,146,760.90/x
  3. Step 3: Cross multiply
    102,728,630.24x = 154,145,923.41 × 48,146,760.90
  4. Step 4: Simplify right side
    102,728,630.24x = 7,421,626,917,607,009
  5. Step 5: Solve for x
    x = 7,421,626,917,607,009/102,728,630.24
  6. Step 6: Final answer
    x = 72,244,971.05

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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.