Home / 66,305,872.20-99,458,808.30-34,020,831.45

Finding the Fourth Proportional to 66,305,872.20, 99,458,808.30 and 34,020,831.45

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Solution

The fourth proportional to 66,305,872.20, 99,458,808.30 and 34,020,831.45 is: 51,031,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,305,872.20 : 99,458,808.30 = 34,020,831.45 : x
  2. Step 2: Convert to fraction form
    66,305,872.20/99,458,808.30 = 34,020,831.45/x
  3. Step 3: Cross multiply
    66,305,872.20x = 99,458,808.30 × 34,020,831.45
  4. Step 4: Simplify right side
    66,305,872.20x = 3,383,671,353,392,161
  5. Step 5: Solve for x
    x = 3,383,671,353,392,161/66,305,872.20
  6. Step 6: Final answer
    x = 51,031,247.18

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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.