Home / 78,881,627.60-118,322,441.40-44,869,403.60

Finding the Fourth Proportional to 78,881,627.60, 118,322,441.40 and 44,869,403.60

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Solution

The fourth proportional to 78,881,627.60, 118,322,441.40 and 44,869,403.60 is: 67,304,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,881,627.60 : 118,322,441.40 = 44,869,403.60 : x
  2. Step 2: Convert to fraction form
    78,881,627.60/118,322,441.40 = 44,869,403.60/x
  3. Step 3: Cross multiply
    78,881,627.60x = 118,322,441.40 × 44,869,403.60
  4. Step 4: Simplify right side
    78,881,627.60x = 5,309,057,378,113,949
  5. Step 5: Solve for x
    x = 5,309,057,378,113,949/78,881,627.60
  6. Step 6: Final answer
    x = 67,304,105.40

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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.