Home / 170,423,999.40-255,635,999.10-102,231,589.80

Finding the Fourth Proportional to 170,423,999.40, 255,635,999.10 and 102,231,589.80

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Solution

The fourth proportional to 170,423,999.40, 255,635,999.10 and 102,231,589.80 is: 153,347,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,423,999.40 : 255,635,999.10 = 102,231,589.80 : x
  2. Step 2: Convert to fraction form
    170,423,999.40/255,635,999.10 = 102,231,589.80/x
  3. Step 3: Cross multiply
    170,423,999.40x = 255,635,999.10 × 102,231,589.80
  4. Step 4: Simplify right side
    170,423,999.40x = 26,134,074,598,104,368
  5. Step 5: Solve for x
    x = 26,134,074,598,104,368/170,423,999.40
  6. Step 6: Final answer
    x = 153,347,384.70

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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.