Home / 78,881,286.60-118,321,929.90-44,869,062.60

Finding the Fourth Proportional to 78,881,286.60, 118,321,929.90 and 44,869,062.60

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Solution

The fourth proportional to 78,881,286.60, 118,321,929.90 and 44,869,062.60 is: 67,303,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,881,286.60 : 118,321,929.90 = 44,869,062.60 : x
  2. Step 2: Convert to fraction form
    78,881,286.60/118,321,929.90 = 44,869,062.60/x
  3. Step 3: Cross multiply
    78,881,286.60x = 118,321,929.90 × 44,869,062.60
  4. Step 4: Simplify right side
    78,881,286.60x = 5,308,994,079,635,912
  5. Step 5: Solve for x
    x = 5,308,994,079,635,912/78,881,286.60
  6. Step 6: Final answer
    x = 67,303,593.90

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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.