Home / 73,119,502.63-109,678,146.78-17,787,858.61

Finding the Fourth Proportional to 73,119,502.63, 109,678,146.78 and 17,787,858.61

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Solution

The fourth proportional to 73,119,502.63, 109,678,146.78 and 17,787,858.61 is: 26,681,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,119,502.63 : 109,678,146.78 = 17,787,858.61 : x
  2. Step 2: Convert to fraction form
    73,119,502.63/109,678,146.78 = 17,787,858.61/x
  3. Step 3: Cross multiply
    73,119,502.63x = 109,678,146.78 × 17,787,858.61
  4. Step 4: Simplify right side
    73,119,502.63x = 1,950,939,367,529,466.75
  5. Step 5: Solve for x
    x = 1,950,939,367,529,466.75/73,119,502.63
  6. Step 6: Final answer
    x = 26,681,518.57

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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.