Home / 53,995,413.72-74,513,622.66-30,478,900.62

Finding the Fourth Proportional to 53,995,413.72, 74,513,622.66 and 30,478,900.62

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Solution

The fourth proportional to 53,995,413.72, 74,513,622.66 and 30,478,900.62 is: 42,060,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995,413.72 : 74,513,622.66 = 30,478,900.62 : x
  2. Step 2: Convert to fraction form
    53,995,413.72/74,513,622.66 = 30,478,900.62/x
  3. Step 3: Cross multiply
    53,995,413.72x = 74,513,622.66 × 30,478,900.62
  4. Step 4: Simplify right side
    53,995,413.72x = 2,271,093,299,890,320
  5. Step 5: Solve for x
    x = 2,271,093,299,890,320/53,995,413.72
  6. Step 6: Final answer
    x = 42,060,855.61

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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.