Home / 82,577,211.40-123,823,826.70-48,509,000.20

Finding the Fourth Proportional to 82,577,211.40, 123,823,826.70 and 48,509,000.20

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Solution

The fourth proportional to 82,577,211.40, 123,823,826.70 and 48,509,000.20 is: 72,738,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,577,211.40 : 123,823,826.70 = 48,509,000.20 : x
  2. Step 2: Convert to fraction form
    82,577,211.40/123,823,826.70 = 48,509,000.20/x
  3. Step 3: Cross multiply
    82,577,211.40x = 123,823,826.70 × 48,509,000.20
  4. Step 4: Simplify right side
    82,577,211.40x = 6,006,570,034,155,066
  5. Step 5: Solve for x
    x = 6,006,570,034,155,066/82,577,211.40
  6. Step 6: Final answer
    x = 72,738,833.54

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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.