Home / 119,012,990.10-164,232,398.03-66,093,057.60

Finding the Fourth Proportional to 119,012,990.10, 164,232,398.03 and 66,093,057.60

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Solution

The fourth proportional to 119,012,990.10, 164,232,398.03 and 66,093,057.60 is: 91,205,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,012,990.10 : 164,232,398.03 = 66,093,057.60 : x
  2. Step 2: Convert to fraction form
    119,012,990.10/164,232,398.03 = 66,093,057.60/x
  3. Step 3: Cross multiply
    119,012,990.10x = 164,232,398.03 × 66,093,057.60
  4. Step 4: Simplify right side
    119,012,990.10x = 10,854,621,342,782,916
  5. Step 5: Solve for x
    x = 10,854,621,342,782,916/119,012,990.10
  6. Step 6: Final answer
    x = 91,205,349.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.