Home / 70,520,219.40-105,780,329.10-47,677,441.80

Finding the Fourth Proportional to 70,520,219.40, 105,780,329.10 and 47,677,441.80

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Solution

The fourth proportional to 70,520,219.40, 105,780,329.10 and 47,677,441.80 is: 71,516,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,520,219.40 : 105,780,329.10 = 47,677,441.80 : x
  2. Step 2: Convert to fraction form
    70,520,219.40/105,780,329.10 = 47,677,441.80/x
  3. Step 3: Cross multiply
    70,520,219.40x = 105,780,329.10 × 47,677,441.80
  4. Step 4: Simplify right side
    70,520,219.40x = 5,043,335,484,250,096
  5. Step 5: Solve for x
    x = 5,043,335,484,250,096/70,520,219.40
  6. Step 6: Final answer
    x = 71,516,162.70

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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.