Home / 154,151,183-212,709,080.76-84,518,240.24

Finding the Fourth Proportional to 154,151,183, 212,709,080.76 and 84,518,240.24

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Solution

The fourth proportional to 154,151,183, 212,709,080.76 and 84,518,240.24 is: 116,624,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,151,183 : 212,709,080.76 = 84,518,240.24 : x
  2. Step 2: Convert to fraction form
    154,151,183/212,709,080.76 = 84,518,240.24/x
  3. Step 3: Cross multiply
    154,151,183x = 212,709,080.76 × 84,518,240.24
  4. Step 4: Simplify right side
    154,151,183x = 17,977,797,188,903,240
  5. Step 5: Solve for x
    x = 17,977,797,188,903,240/154,151,183
  6. Step 6: Final answer
    x = 116,624,451.65

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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.