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Finding the Fourth Proportional to 158,463,315.40, 222,251,749.40 and 158,463,315.40

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Solution

The fourth proportional to 158,463,315.40, 222,251,749.40 and 158,463,315.40 is: 222,251,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,463,315.40 : 222,251,749.40 = 158,463,315.40 : x
  2. Step 2: Convert to fraction form
    158,463,315.40/222,251,749.40 = 158,463,315.40/x
  3. Step 3: Cross multiply
    158,463,315.40x = 222,251,749.40 × 158,463,315.40
  4. Step 4: Simplify right side
    158,463,315.40x = 35,218,749,063,373,964
  5. Step 5: Solve for x
    x = 35,218,749,063,373,964/158,463,315.40
  6. Step 6: Final answer
    x = 222,251,749.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.