Home / 220,678,891.20-331,018,336.80-186,241,514.40

Finding the Fourth Proportional to 220,678,891.20, 331,018,336.80 and 186,241,514.40

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Solution

The fourth proportional to 220,678,891.20, 331,018,336.80 and 186,241,514.40 is: 279,362,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,678,891.20 : 331,018,336.80 = 186,241,514.40 : x
  2. Step 2: Convert to fraction form
    220,678,891.20/331,018,336.80 = 186,241,514.40/x
  3. Step 3: Cross multiply
    220,678,891.20x = 331,018,336.80 × 186,241,514.40
  4. Step 4: Simplify right side
    220,678,891.20x = 61,649,356,339,801,256
  5. Step 5: Solve for x
    x = 61,649,356,339,801,256/220,678,891.20
  6. Step 6: Final answer
    x = 279,362,271.60

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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.