Home / 74,490,503.43-102,738,659.13-48,393,429.69

Finding the Fourth Proportional to 74,490,503.43, 102,738,659.13 and 48,393,429.69

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Solution

The fourth proportional to 74,490,503.43, 102,738,659.13 and 48,393,429.69 is: 66,745,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490,503.43 : 102,738,659.13 = 48,393,429.69 : x
  2. Step 2: Convert to fraction form
    74,490,503.43/102,738,659.13 = 48,393,429.69/x
  3. Step 3: Cross multiply
    74,490,503.43x = 102,738,659.13 × 48,393,429.69
  4. Step 4: Simplify right side
    74,490,503.43x = 4,971,876,077,052,531
  5. Step 5: Solve for x
    x = 4,971,876,077,052,531/74,490,503.43
  6. Step 6: Final answer
    x = 66,745,099.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.