Home / 66,613,673.93-91,876,148.75-57,337,032.65

Finding the Fourth Proportional to 66,613,673.93, 91,876,148.75 and 57,337,032.65

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Solution

The fourth proportional to 66,613,673.93, 91,876,148.75 and 57,337,032.65 is: 79,081,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,613,673.93 : 91,876,148.75 = 57,337,032.65 : x
  2. Step 2: Convert to fraction form
    66,613,673.93/91,876,148.75 = 57,337,032.65/x
  3. Step 3: Cross multiply
    66,613,673.93x = 91,876,148.75 × 57,337,032.65
  4. Step 4: Simplify right side
    66,613,673.93x = 5,267,905,740,318,969
  5. Step 5: Solve for x
    x = 5,267,905,740,318,969/66,613,673.93
  6. Step 6: Final answer
    x = 79,081,447.25

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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.