Home / 258,552,152.80-387,828,229.20-161,806,271.20

Finding the Fourth Proportional to 258,552,152.80, 387,828,229.20 and 161,806,271.20

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Solution

The fourth proportional to 258,552,152.80, 387,828,229.20 and 161,806,271.20 is: 242,709,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,552,152.80 : 387,828,229.20 = 161,806,271.20 : x
  2. Step 2: Convert to fraction form
    258,552,152.80/387,828,229.20 = 161,806,271.20/x
  3. Step 3: Cross multiply
    258,552,152.80x = 387,828,229.20 × 161,806,271.20
  4. Step 4: Simplify right side
    258,552,152.80x = 62,753,039,632,950,952
  5. Step 5: Solve for x
    x = 62,753,039,632,950,952/258,552,152.80
  6. Step 6: Final answer
    x = 242,709,406.80

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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.