Home / 121,355,090.35-182,162,172.44-52,301,972.32

Finding the Fourth Proportional to 121,355,090.35, 182,162,172.44 and 52,301,972.32

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Solution

The fourth proportional to 121,355,090.35, 182,162,172.44 and 52,301,972.32 is: 78,508,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,355,090.35 : 182,162,172.44 = 52,301,972.32 : x
  2. Step 2: Convert to fraction form
    121,355,090.35/182,162,172.44 = 52,301,972.32/x
  3. Step 3: Cross multiply
    121,355,090.35x = 182,162,172.44 × 52,301,972.32
  4. Step 4: Simplify right side
    121,355,090.35x = 9,527,440,900,383,296
  5. Step 5: Solve for x
    x = 9,527,440,900,383,296/121,355,090.35
  6. Step 6: Final answer
    x = 78,508,786.68

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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.