Home / 121,258,538.96-181,900,051.32-39,373,993.04

Finding the Fourth Proportional to 121,258,538.96, 181,900,051.32 and 39,373,993.04

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Solution

The fourth proportional to 121,258,538.96, 181,900,051.32 and 39,373,993.04 is: 59,064,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,258,538.96 : 181,900,051.32 = 39,373,993.04 : x
  2. Step 2: Convert to fraction form
    121,258,538.96/181,900,051.32 = 39,373,993.04/x
  3. Step 3: Cross multiply
    121,258,538.96x = 181,900,051.32 × 39,373,993.04
  4. Step 4: Simplify right side
    121,258,538.96x = 7,162,131,354,649,322
  5. Step 5: Solve for x
    x = 7,162,131,354,649,322/121,258,538.96
  6. Step 6: Final answer
    x = 59,064,964.96

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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.