Home / 87,650,145.50-120,956,303.96-48,492,202.50

Finding the Fourth Proportional to 87,650,145.50, 120,956,303.96 and 48,492,202.50

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Solution

The fourth proportional to 87,650,145.50, 120,956,303.96 and 48,492,202.50 is: 66,918,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,650,145.50 : 120,956,303.96 = 48,492,202.50 : x
  2. Step 2: Convert to fraction form
    87,650,145.50/120,956,303.96 = 48,492,202.50/x
  3. Step 3: Cross multiply
    87,650,145.50x = 120,956,303.96 × 48,492,202.50
  4. Step 4: Simplify right side
    87,650,145.50x = 5,865,437,584,947,517
  5. Step 5: Solve for x
    x = 5,865,437,584,947,517/87,650,145.50
  6. Step 6: Final answer
    x = 66,918,743.28

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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.