Home / 66,987,285.53-100,494,876.29-20,927,294.06

Finding the Fourth Proportional to 66,987,285.53, 100,494,876.29 and 20,927,294.06

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Solution

The fourth proportional to 66,987,285.53, 100,494,876.29 and 20,927,294.06 is: 31,395,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,987,285.53 : 100,494,876.29 = 20,927,294.06 : x
  2. Step 2: Convert to fraction form
    66,987,285.53/100,494,876.29 = 20,927,294.06/x
  3. Step 3: Cross multiply
    66,987,285.53x = 100,494,876.29 × 20,927,294.06
  4. Step 4: Simplify right side
    66,987,285.53x = 2,103,085,827,037,041
  5. Step 5: Solve for x
    x = 2,103,085,827,037,041/66,987,285.53
  6. Step 6: Final answer
    x = 31,395,298.53

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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.