Home / 79,126,766.43-118,485,738.93-54,610,343.34

Finding the Fourth Proportional to 79,126,766.43, 118,485,738.93 and 54,610,343.34

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Solution

The fourth proportional to 79,126,766.43, 118,485,738.93 and 54,610,343.34 is: 81,774,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,126,766.43 : 118,485,738.93 = 54,610,343.34 : x
  2. Step 2: Convert to fraction form
    79,126,766.43/118,485,738.93 = 54,610,343.34/x
  3. Step 3: Cross multiply
    79,126,766.43x = 118,485,738.93 × 54,610,343.34
  4. Step 4: Simplify right side
    79,126,766.43x = 6,470,546,883,860,905
  5. Step 5: Solve for x
    x = 6,470,546,883,860,905/79,126,766.43
  6. Step 6: Final answer
    x = 81,774,438.36

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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.