Home / 66,010,912.20-99,058,358.70-38,717,152.20

Finding the Fourth Proportional to 66,010,912.20, 99,058,358.70 and 38,717,152.20

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Solution

The fourth proportional to 66,010,912.20, 99,058,358.70 and 38,717,152.20 is: 58,100,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010,912.20 : 99,058,358.70 = 38,717,152.20 : x
  2. Step 2: Convert to fraction form
    66,010,912.20/99,058,358.70 = 38,717,152.20/x
  3. Step 3: Cross multiply
    66,010,912.20x = 99,058,358.70 × 38,717,152.20
  4. Step 4: Simplify right side
    66,010,912.20x = 3,835,257,550,470,094.50
  5. Step 5: Solve for x
    x = 3,835,257,550,470,094.50/66,010,912.20
  6. Step 6: Final answer
    x = 58,100,356.78

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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.