Home / 74,270,066.80-111,405,100.20-61,504,985.20

Finding the Fourth Proportional to 74,270,066.80, 111,405,100.20 and 61,504,985.20

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Solution

The fourth proportional to 74,270,066.80, 111,405,100.20 and 61,504,985.20 is: 92,257,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,270,066.80 : 111,405,100.20 = 61,504,985.20 : x
  2. Step 2: Convert to fraction form
    74,270,066.80/111,405,100.20 = 61,504,985.20/x
  3. Step 3: Cross multiply
    74,270,066.80x = 111,405,100.20 × 61,504,985.20
  4. Step 4: Simplify right side
    74,270,066.80x = 6,851,969,039,005,518
  5. Step 5: Solve for x
    x = 6,851,969,039,005,518/74,270,066.80
  6. Step 6: Final answer
    x = 92,257,477.80

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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.