Home / 172,296,002.40-258,444,003.60-141,685,000.80

Finding the Fourth Proportional to 172,296,002.40, 258,444,003.60 and 141,685,000.80

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Solution

The fourth proportional to 172,296,002.40, 258,444,003.60 and 141,685,000.80 is: 212,527,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,296,002.40 : 258,444,003.60 = 141,685,000.80 : x
  2. Step 2: Convert to fraction form
    172,296,002.40/258,444,003.60 = 141,685,000.80/x
  3. Step 3: Cross multiply
    172,296,002.40x = 258,444,003.60 × 141,685,000.80
  4. Step 4: Simplify right side
    172,296,002.40x = 36,617,638,856,821,208
  5. Step 5: Solve for x
    x = 36,617,638,856,821,208/172,296,002.40
  6. Step 6: Final answer
    x = 212,527,501.20

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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.