Home / 99,192,831.45-148,789,722.65-30,106,235.31

Finding the Fourth Proportional to 99,192,831.45, 148,789,722.65 and 30,106,235.31

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Solution

The fourth proportional to 99,192,831.45, 148,789,722.65 and 30,106,235.31 is: 45,159,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,192,831.45 : 148,789,722.65 = 30,106,235.31 : x
  2. Step 2: Convert to fraction form
    99,192,831.45/148,789,722.65 = 30,106,235.31/x
  3. Step 3: Cross multiply
    99,192,831.45x = 148,789,722.65 × 30,106,235.31
  4. Step 4: Simplify right side
    99,192,831.45x = 4,479,498,401,660,005.50
  5. Step 5: Solve for x
    x = 4,479,498,401,660,005.50/99,192,831.45
  6. Step 6: Final answer
    x = 45,159,497.28

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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.