Home / 112,506,318.44-168,765,973.91-43,419,480.47

Finding the Fourth Proportional to 112,506,318.44, 168,765,973.91 and 43,419,480.47

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Solution

The fourth proportional to 112,506,318.44, 168,765,973.91 and 43,419,480.47 is: 65,131,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,506,318.44 : 168,765,973.91 = 43,419,480.47 : x
  2. Step 2: Convert to fraction form
    112,506,318.44/168,765,973.91 = 43,419,480.47/x
  3. Step 3: Cross multiply
    112,506,318.44x = 168,765,973.91 × 43,419,480.47
  4. Step 4: Simplify right side
    112,506,318.44x = 7,327,730,907,968,677
  5. Step 5: Solve for x
    x = 7,327,730,907,968,677/112,506,318.44
  6. Step 6: Final answer
    x = 65,131,727.80

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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.