Home / 78,733,096.05-118,099,644.08-70,796,910.45

Finding the Fourth Proportional to 78,733,096.05, 118,099,644.08 and 70,796,910.45

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Solution

The fourth proportional to 78,733,096.05, 118,099,644.08 and 70,796,910.45 is: 106,195,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733,096.05 : 118,099,644.08 = 70,796,910.45 : x
  2. Step 2: Convert to fraction form
    78,733,096.05/118,099,644.08 = 70,796,910.45/x
  3. Step 3: Cross multiply
    78,733,096.05x = 118,099,644.08 × 70,796,910.45
  4. Step 4: Simplify right side
    78,733,096.05x = 8,361,089,925,754,649
  5. Step 5: Solve for x
    x = 8,361,089,925,754,649/78,733,096.05
  6. Step 6: Final answer
    x = 106,195,365.68

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Double scale
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Similar ratio
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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.