Home / 66,426,732.20-99,640,098.30-48,286,879.40

Finding the Fourth Proportional to 66,426,732.20, 99,640,098.30 and 48,286,879.40

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Solution

The fourth proportional to 66,426,732.20, 99,640,098.30 and 48,286,879.40 is: 72,430,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,732.20 : 99,640,098.30 = 48,286,879.40 : x
  2. Step 2: Convert to fraction form
    66,426,732.20/99,640,098.30 = 48,286,879.40/x
  3. Step 3: Cross multiply
    66,426,732.20x = 99,640,098.30 × 48,286,879.40
  4. Step 4: Simplify right side
    66,426,732.20x = 4,811,309,410,016,245
  5. Step 5: Solve for x
    x = 4,811,309,410,016,245/66,426,732.20
  6. Step 6: Final answer
    x = 72,430,319.10

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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.