Home / 143,652,631.20-215,510,439.60-46,591,821.60

Finding the Fourth Proportional to 143,652,631.20, 215,510,439.60 and 46,591,821.60

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Solution

The fourth proportional to 143,652,631.20, 215,510,439.60 and 46,591,821.60 is: 69,897,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,652,631.20 : 215,510,439.60 = 46,591,821.60 : x
  2. Step 2: Convert to fraction form
    143,652,631.20/215,510,439.60 = 46,591,821.60/x
  3. Step 3: Cross multiply
    143,652,631.20x = 215,510,439.60 × 46,591,821.60
  4. Step 4: Simplify right side
    143,652,631.20x = 10,041,023,954,780,776
  5. Step 5: Solve for x
    x = 10,041,023,954,780,776/143,652,631.20
  6. Step 6: Final answer
    x = 69,897,946.67

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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.