Home / 85,338,115.13-117,766,909.47-46,179,888.29

Finding the Fourth Proportional to 85,338,115.13, 117,766,909.47 and 46,179,888.29

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Solution

The fourth proportional to 85,338,115.13, 117,766,909.47 and 46,179,888.29 is: 63,728,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,338,115.13 : 117,766,909.47 = 46,179,888.29 : x
  2. Step 2: Convert to fraction form
    85,338,115.13/117,766,909.47 = 46,179,888.29/x
  3. Step 3: Cross multiply
    85,338,115.13x = 117,766,909.47 × 46,179,888.29
  4. Step 4: Simplify right side
    85,338,115.13x = 5,438,462,723,583,143
  5. Step 5: Solve for x
    x = 5,438,462,723,583,143/85,338,115.13
  6. Step 6: Final answer
    x = 63,728,413.91

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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.