Home / 118,772,942.80-178,159,414.20-99,641,066.80

Finding the Fourth Proportional to 118,772,942.80, 178,159,414.20 and 99,641,066.80

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Solution

The fourth proportional to 118,772,942.80, 178,159,414.20 and 99,641,066.80 is: 149,461,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,772,942.80 : 178,159,414.20 = 99,641,066.80 : x
  2. Step 2: Convert to fraction form
    118,772,942.80/178,159,414.20 = 99,641,066.80/x
  3. Step 3: Cross multiply
    118,772,942.80x = 178,159,414.20 × 99,641,066.80
  4. Step 4: Simplify right side
    118,772,942.80x = 17,751,994,091,351,066
  5. Step 5: Solve for x
    x = 17,751,994,091,351,066/118,772,942.80
  6. Step 6: Final answer
    x = 149,461,600.20

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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.