Home / 258,048,000.80-387,072,001.20-114,440,832.80

Finding the Fourth Proportional to 258,048,000.80, 387,072,001.20 and 114,440,832.80

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Solution

The fourth proportional to 258,048,000.80, 387,072,001.20 and 114,440,832.80 is: 171,661,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,048,000.80 : 387,072,001.20 = 114,440,832.80 : x
  2. Step 2: Convert to fraction form
    258,048,000.80/387,072,001.20 = 114,440,832.80/x
  3. Step 3: Cross multiply
    258,048,000.80x = 387,072,001.20 × 114,440,832.80
  4. Step 4: Simplify right side
    258,048,000.80x = 44,296,842,170,890,600
  5. Step 5: Solve for x
    x = 44,296,842,170,890,600/258,048,000.80
  6. Step 6: Final answer
    x = 171,661,249.20

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Similar ratio
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1.5x scale

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.