Home / 52,496,256.20-78,744,384.30-47,205,465.80

Finding the Fourth Proportional to 52,496,256.20, 78,744,384.30 and 47,205,465.80

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Solution

The fourth proportional to 52,496,256.20, 78,744,384.30 and 47,205,465.80 is: 70,808,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,496,256.20 : 78,744,384.30 = 47,205,465.80 : x
  2. Step 2: Convert to fraction form
    52,496,256.20/78,744,384.30 = 47,205,465.80/x
  3. Step 3: Cross multiply
    52,496,256.20x = 78,744,384.30 × 47,205,465.80
  4. Step 4: Simplify right side
    52,496,256.20x = 3,717,165,340,015,706.50
  5. Step 5: Solve for x
    x = 3,717,165,340,015,706.50/52,496,256.20
  6. Step 6: Final answer
    x = 70,808,198.70

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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.