Home / 253,273,623.84-379,975,935.66-148,317,603.92

Finding the Fourth Proportional to 253,273,623.84, 379,975,935.66 and 148,317,603.92

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Solution

The fourth proportional to 253,273,623.84, 379,975,935.66 and 148,317,603.92 is: 222,514,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,273,623.84 : 379,975,935.66 = 148,317,603.92 : x
  2. Step 2: Convert to fraction form
    253,273,623.84/379,975,935.66 = 148,317,603.92/x
  3. Step 3: Cross multiply
    253,273,623.84x = 379,975,935.66 × 148,317,603.92
  4. Step 4: Simplify right side
    253,273,623.84x = 56,357,120,322,451,408
  5. Step 5: Solve for x
    x = 56,357,120,322,451,408/253,273,623.84
  6. Step 6: Final answer
    x = 222,514,762.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.