Home / 154,151,198.96-212,709,102.76-84,518,256.24

Finding the Fourth Proportional to 154,151,198.96, 212,709,102.76 and 84,518,256.24

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Solution

The fourth proportional to 154,151,198.96, 212,709,102.76 and 84,518,256.24 is: 116,624,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,151,198.96 : 212,709,102.76 = 84,518,256.24 : x
  2. Step 2: Convert to fraction form
    154,151,198.96/212,709,102.76 = 84,518,256.24/x
  3. Step 3: Cross multiply
    154,151,198.96x = 212,709,102.76 × 84,518,256.24
  4. Step 4: Simplify right side
    154,151,198.96x = 17,977,802,451,650,170
  5. Step 5: Solve for x
    x = 17,977,802,451,650,170/154,151,198.96
  6. Step 6: Final answer
    x = 116,624,473.72

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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.