Home / 100,074,647.18-150,123,168.22-31,901,522.06

Finding the Fourth Proportional to 100,074,647.18, 150,123,168.22 and 31,901,522.06

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Solution

The fourth proportional to 100,074,647.18, 150,123,168.22 and 31,901,522.06 is: 47,855,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,074,647.18 : 150,123,168.22 = 31,901,522.06 : x
  2. Step 2: Convert to fraction form
    100,074,647.18/150,123,168.22 = 31,901,522.06/x
  3. Step 3: Cross multiply
    100,074,647.18x = 150,123,168.22 × 31,901,522.06
  4. Step 4: Simplify right side
    100,074,647.18x = 4,789,157,562,687,421
  5. Step 5: Solve for x
    x = 4,789,157,562,687,421/100,074,647.18
  6. Step 6: Final answer
    x = 47,855,852.58

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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.