Home / 154,151,181-212,709,078-84,518,238.24

Finding the Fourth Proportional to 154,151,181, 212,709,078 and 84,518,238.24

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Solution

The fourth proportional to 154,151,181, 212,709,078 and 84,518,238.24 is: 116,624,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,151,181 : 212,709,078 = 84,518,238.24 : x
  2. Step 2: Convert to fraction form
    154,151,181/212,709,078 = 84,518,238.24/x
  3. Step 3: Cross multiply
    154,151,181x = 212,709,078 × 84,518,238.24
  4. Step 4: Simplify right side
    154,151,181x = 17,977,796,530,214,742
  5. Step 5: Solve for x
    x = 17,977,796,530,214,742/154,151,181
  6. Step 6: Final answer
    x = 116,624,448.89

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Double scale
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1.5x scale

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.