Home / 127,786,047.50-191,610,873.30-66,313,310.42

Finding the Fourth Proportional to 127,786,047.50, 191,610,873.30 and 66,313,310.42

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Solution

The fourth proportional to 127,786,047.50, 191,610,873.30 and 66,313,310.42 is: 99,434,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,786,047.50 : 191,610,873.30 = 66,313,310.42 : x
  2. Step 2: Convert to fraction form
    127,786,047.50/191,610,873.30 = 66,313,310.42/x
  3. Step 3: Cross multiply
    127,786,047.50x = 191,610,873.30 × 66,313,310.42
  4. Step 4: Simplify right side
    127,786,047.50x = 12,706,351,320,990,190
  5. Step 5: Solve for x
    x = 12,706,351,320,990,190/127,786,047.50
  6. Step 6: Final answer
    x = 99,434,574.98

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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.