Home / 143,674,219.20-215,511,328.80-132,588,753.60

Finding the Fourth Proportional to 143,674,219.20, 215,511,328.80 and 132,588,753.60

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Solution

The fourth proportional to 143,674,219.20, 215,511,328.80 and 132,588,753.60 is: 198,883,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,674,219.20 : 215,511,328.80 = 132,588,753.60 : x
  2. Step 2: Convert to fraction form
    143,674,219.20/215,511,328.80 = 132,588,753.60/x
  3. Step 3: Cross multiply
    143,674,219.20x = 215,511,328.80 × 132,588,753.60
  4. Step 4: Simplify right side
    143,674,219.20x = 28,574,378,472,271,784
  5. Step 5: Solve for x
    x = 28,574,378,472,271,784/143,674,219.20
  6. Step 6: Final answer
    x = 198,883,130.40

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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.