Home / 268,367,623.80-402,409,718.10-114,840,223.80

Finding the Fourth Proportional to 268,367,623.80, 402,409,718.10 and 114,840,223.80

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Solution

The fourth proportional to 268,367,623.80, 402,409,718.10 and 114,840,223.80 is: 172,199,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,367,623.80 : 402,409,718.10 = 114,840,223.80 : x
  2. Step 2: Convert to fraction form
    268,367,623.80/402,409,718.10 = 114,840,223.80/x
  3. Step 3: Cross multiply
    268,367,623.80x = 402,409,718.10 × 114,840,223.80
  4. Step 4: Simplify right side
    268,367,623.80x = 46,212,822,085,898,912
  5. Step 5: Solve for x
    x = 46,212,822,085,898,912/268,367,623.80
  6. Step 6: Final answer
    x = 172,199,691.72

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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.