Home / 143,856,500.80-215,784,751.20-52,961,281.60

Finding the Fourth Proportional to 143,856,500.80, 215,784,751.20 and 52,961,281.60

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Solution

The fourth proportional to 143,856,500.80, 215,784,751.20 and 52,961,281.60 is: 79,441,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,500.80 : 215,784,751.20 = 52,961,281.60 : x
  2. Step 2: Convert to fraction form
    143,856,500.80/215,784,751.20 = 52,961,281.60/x
  3. Step 3: Cross multiply
    143,856,500.80x = 215,784,751.20 × 52,961,281.60
  4. Step 4: Simplify right side
    143,856,500.80x = 11,428,236,973,289,138
  5. Step 5: Solve for x
    x = 11,428,236,973,289,138/143,856,500.80
  6. Step 6: Final answer
    x = 79,441,922.40

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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.