Home / 98,430,451.57-147,611,484.21-54,777,825.87

Finding the Fourth Proportional to 98,430,451.57, 147,611,484.21 and 54,777,825.87

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Solution

The fourth proportional to 98,430,451.57, 147,611,484.21 and 54,777,825.87 is: 82,147,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,430,451.57 : 147,611,484.21 = 54,777,825.87 : x
  2. Step 2: Convert to fraction form
    98,430,451.57/147,611,484.21 = 54,777,825.87/x
  3. Step 3: Cross multiply
    98,430,451.57x = 147,611,484.21 × 54,777,825.87
  4. Step 4: Simplify right side
    98,430,451.57x = 8,085,836,178,467,635
  5. Step 5: Solve for x
    x = 8,085,836,178,467,635/98,430,451.57
  6. Step 6: Final answer
    x = 82,147,709.88

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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.