Home / 225,801,898.90-311,716,105.78-151,435,256.16

Finding the Fourth Proportional to 225,801,898.90, 311,716,105.78 and 151,435,256.16

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Solution

The fourth proportional to 225,801,898.90, 311,716,105.78 and 151,435,256.16 is: 209,054,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,801,898.90 : 311,716,105.78 = 151,435,256.16 : x
  2. Step 2: Convert to fraction form
    225,801,898.90/311,716,105.78 = 151,435,256.16/x
  3. Step 3: Cross multiply
    225,801,898.90x = 311,716,105.78 × 151,435,256.16
  4. Step 4: Simplify right side
    225,801,898.90x = 47,204,808,327,991,952
  5. Step 5: Solve for x
    x = 47,204,808,327,991,952/225,801,898.90
  6. Step 6: Final answer
    x = 209,054,080.40

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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.