Home / 114,649,194.12-158,194,150.11-72,840,066.18

Finding the Fourth Proportional to 114,649,194.12, 158,194,150.11 and 72,840,066.18

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Solution

The fourth proportional to 114,649,194.12, 158,194,150.11 and 72,840,066.18 is: 100,505,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,649,194.12 : 158,194,150.11 = 72,840,066.18 : x
  2. Step 2: Convert to fraction form
    114,649,194.12/158,194,150.11 = 72,840,066.18/x
  3. Step 3: Cross multiply
    114,649,194.12x = 158,194,150.11 × 72,840,066.18
  4. Step 4: Simplify right side
    114,649,194.12x = 11,522,872,363,301,256
  5. Step 5: Solve for x
    x = 11,522,872,363,301,256/114,649,194.12
  6. Step 6: Final answer
    x = 100,505,480.67

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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.