Home / 120,761,223.60-181,948,457.01-109,261,431.48

Finding the Fourth Proportional to 120,761,223.60, 181,948,457.01 and 109,261,431.48

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Solution

The fourth proportional to 120,761,223.60, 181,948,457.01 and 109,261,431.48 is: 164,621,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,761,223.60 : 181,948,457.01 = 109,261,431.48 : x
  2. Step 2: Convert to fraction form
    120,761,223.60/181,948,457.01 = 109,261,431.48/x
  3. Step 3: Cross multiply
    120,761,223.60x = 181,948,457.01 × 109,261,431.48
  4. Step 4: Simplify right side
    120,761,223.60x = 19,879,948,868,489,840
  5. Step 5: Solve for x
    x = 19,879,948,868,489,840/120,761,223.60
  6. Step 6: Final answer
    x = 164,621,956.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.