Home / 66,433,247.20-99,649,870.80-49,214,558.80

Finding the Fourth Proportional to 66,433,247.20, 99,649,870.80 and 49,214,558.80

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Solution

The fourth proportional to 66,433,247.20, 99,649,870.80 and 49,214,558.80 is: 73,821,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,247.20 : 99,649,870.80 = 49,214,558.80 : x
  2. Step 2: Convert to fraction form
    66,433,247.20/99,649,870.80 = 49,214,558.80/x
  3. Step 3: Cross multiply
    66,433,247.20x = 99,649,870.80 × 49,214,558.80
  4. Step 4: Simplify right side
    66,433,247.20x = 4,904,224,425,899,003
  5. Step 5: Solve for x
    x = 4,904,224,425,899,003/66,433,247.20
  6. Step 6: Final answer
    x = 73,821,838.20

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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.