Home / 129,373,888.96-178,551,622.38-73,632,862

Finding the Fourth Proportional to 129,373,888.96, 178,551,622.38 and 73,632,862

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Solution

The fourth proportional to 129,373,888.96, 178,551,622.38 and 73,632,862 is: 101,622,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,373,888.96 : 178,551,622.38 = 73,632,862 : x
  2. Step 2: Convert to fraction form
    129,373,888.96/178,551,622.38 = 73,632,862/x
  3. Step 3: Cross multiply
    129,373,888.96x = 178,551,622.38 × 73,632,862
  4. Step 4: Simplify right side
    129,373,888.96x = 13,147,266,970,582,652
  5. Step 5: Solve for x
    x = 13,147,266,970,582,652/129,373,888.96
  6. Step 6: Final answer
    x = 101,622,259.92

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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.