Home / 66,169,631.20-99,254,481.36-20,734,981.60

Finding the Fourth Proportional to 66,169,631.20, 99,254,481.36 and 20,734,981.60

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Solution

The fourth proportional to 66,169,631.20, 99,254,481.36 and 20,734,981.60 is: 31,102,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169,631.20 : 99,254,481.36 = 20,734,981.60 : x
  2. Step 2: Convert to fraction form
    66,169,631.20/99,254,481.36 = 20,734,981.60/x
  3. Step 3: Cross multiply
    66,169,631.20x = 99,254,481.36 × 20,734,981.60
  4. Step 4: Simplify right side
    66,169,631.20x = 2,058,039,844,717,143
  5. Step 5: Solve for x
    x = 2,058,039,844,717,143/66,169,631.20
  6. Step 6: Final answer
    x = 31,102,483.23

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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.