Home / 82,544,066.80-123,816,100.20-55,334,287.60

Finding the Fourth Proportional to 82,544,066.80, 123,816,100.20 and 55,334,287.60

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Solution

The fourth proportional to 82,544,066.80, 123,816,100.20 and 55,334,287.60 is: 83,001,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,544,066.80 : 123,816,100.20 = 55,334,287.60 : x
  2. Step 2: Convert to fraction form
    82,544,066.80/123,816,100.20 = 55,334,287.60/x
  3. Step 3: Cross multiply
    82,544,066.80x = 123,816,100.20 × 55,334,287.60
  4. Step 4: Simplify right side
    82,544,066.80x = 6,851,275,697,977,218
  5. Step 5: Solve for x
    x = 6,851,275,697,977,218/82,544,066.80
  6. Step 6: Final answer
    x = 83,001,431.40

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1.5x scale

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.