Home / 143,579,799.40-215,356,413.08-39,950,575.87

Finding the Fourth Proportional to 143,579,799.40, 215,356,413.08 and 39,950,575.87

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Solution

The fourth proportional to 143,579,799.40, 215,356,413.08 and 39,950,575.87 is: 59,922,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,579,799.40 : 215,356,413.08 = 39,950,575.87 : x
  2. Step 2: Convert to fraction form
    143,579,799.40/215,356,413.08 = 39,950,575.87/x
  3. Step 3: Cross multiply
    143,579,799.40x = 215,356,413.08 × 39,950,575.87
  4. Step 4: Simplify right side
    143,579,799.40x = 8,603,612,720,632,987
  5. Step 5: Solve for x
    x = 8,603,612,720,632,987/143,579,799.40
  6. Step 6: Final answer
    x = 59,922,167.02

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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.