Home / 66,400,644.30-99,600,966.45-52,530,034.20

Finding the Fourth Proportional to 66,400,644.30, 99,600,966.45 and 52,530,034.20

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Solution

The fourth proportional to 66,400,644.30, 99,600,966.45 and 52,530,034.20 is: 78,795,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,400,644.30 : 99,600,966.45 = 52,530,034.20 : x
  2. Step 2: Convert to fraction form
    66,400,644.30/99,600,966.45 = 52,530,034.20/x
  3. Step 3: Cross multiply
    66,400,644.30x = 99,600,966.45 × 52,530,034.20
  4. Step 4: Simplify right side
    66,400,644.30x = 5,232,042,173,971,553
  5. Step 5: Solve for x
    x = 5,232,042,173,971,553/66,400,644.30
  6. Step 6: Final answer
    x = 78,795,051.30

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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.