Home / 288,741,680.10-433,112,520.15-143,197,704.90

Finding the Fourth Proportional to 288,741,680.10, 433,112,520.15 and 143,197,704.90

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Solution

The fourth proportional to 288,741,680.10, 433,112,520.15 and 143,197,704.90 is: 214,796,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,741,680.10 : 433,112,520.15 = 143,197,704.90 : x
  2. Step 2: Convert to fraction form
    288,741,680.10/433,112,520.15 = 143,197,704.90/x
  3. Step 3: Cross multiply
    288,741,680.10x = 433,112,520.15 × 143,197,704.90
  4. Step 4: Simplify right side
    288,741,680.10x = 62,020,718,848,935,000
  5. Step 5: Solve for x
    x = 62,020,718,848,935,000/288,741,680.10
  6. Step 6: Final answer
    x = 214,796,557.35

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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.