Home / 66,448,384.20-99,653,913.90-21,024,102.60

Finding the Fourth Proportional to 66,448,384.20, 99,653,913.90 and 21,024,102.60

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Solution

The fourth proportional to 66,448,384.20, 99,653,913.90 and 21,024,102.60 is: 31,530,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,448,384.20 : 99,653,913.90 = 21,024,102.60 : x
  2. Step 2: Convert to fraction form
    66,448,384.20/99,653,913.90 = 21,024,102.60/x
  3. Step 3: Cross multiply
    66,448,384.20x = 99,653,913.90 × 21,024,102.60
  4. Step 4: Simplify right side
    66,448,384.20x = 2,095,134,110,325,166.50
  5. Step 5: Solve for x
    x = 2,095,134,110,325,166.50/66,448,384.20
  6. Step 6: Final answer
    x = 31,530,249.16

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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.