Home / 118,728,811.60-178,093,217.40-98,321,477.20

Finding the Fourth Proportional to 118,728,811.60, 178,093,217.40 and 98,321,477.20

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Solution

The fourth proportional to 118,728,811.60, 178,093,217.40 and 98,321,477.20 is: 147,482,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,728,811.60 : 178,093,217.40 = 98,321,477.20 : x
  2. Step 2: Convert to fraction form
    118,728,811.60/178,093,217.40 = 98,321,477.20/x
  3. Step 3: Cross multiply
    118,728,811.60x = 178,093,217.40 × 98,321,477.20
  4. Step 4: Simplify right side
    118,728,811.60x = 17,510,388,214,068,744
  5. Step 5: Solve for x
    x = 17,510,388,214,068,744/118,728,811.60
  6. Step 6: Final answer
    x = 147,482,215.80

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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.