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Finding the Fourth Proportional to 65,856,255, 90,881,631.90 and 36,882,879

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Solution

The fourth proportional to 65,856,255, 90,881,631.90 and 36,882,879 is: 50,898,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,856,255 : 90,881,631.90 = 36,882,879 : x
  2. Step 2: Convert to fraction form
    65,856,255/90,881,631.90 = 36,882,879/x
  3. Step 3: Cross multiply
    65,856,255x = 90,881,631.90 × 36,882,879
  4. Step 4: Simplify right side
    65,856,255x = 3,351,976,232,690,240.50
  5. Step 5: Solve for x
    x = 3,351,976,232,690,240.50/65,856,255
  6. Step 6: Final answer
    x = 50,898,373.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.