Home / 66,120,671.10-99,181,996.06-25,182,371.20

Finding the Fourth Proportional to 66,120,671.10, 99,181,996.06 and 25,182,371.20

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Solution

The fourth proportional to 66,120,671.10, 99,181,996.06 and 25,182,371.20 is: 37,773,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,120,671.10 : 99,181,996.06 = 25,182,371.20 : x
  2. Step 2: Convert to fraction form
    66,120,671.10/99,181,996.06 = 25,182,371.20/x
  3. Step 3: Cross multiply
    66,120,671.10x = 99,181,996.06 × 25,182,371.20
  4. Step 4: Simplify right side
    66,120,671.10x = 2,497,637,841,139,857.50
  5. Step 5: Solve for x
    x = 2,497,637,841,139,857.50/66,120,671.10
  6. Step 6: Final answer
    x = 37,773,933.62

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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.