Home / 66,290,618.05-91,464,918.59-43,656,654.51

Finding the Fourth Proportional to 66,290,618.05, 91,464,918.59 and 43,656,654.51

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Solution

The fourth proportional to 66,290,618.05, 91,464,918.59 and 43,656,654.51 is: 60,235,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,290,618.05 : 91,464,918.59 = 43,656,654.51 : x
  2. Step 2: Convert to fraction form
    66,290,618.05/91,464,918.59 = 43,656,654.51/x
  3. Step 3: Cross multiply
    66,290,618.05x = 91,464,918.59 × 43,656,654.51
  4. Step 4: Simplify right side
    66,290,618.05x = 3,993,052,350,778,048
  5. Step 5: Solve for x
    x = 3,993,052,350,778,048/66,290,618.05
  6. Step 6: Final answer
    x = 60,235,557.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.