Home / 320,365,408.71-480,594,162.65-99,054,007.80

Finding the Fourth Proportional to 320,365,408.71, 480,594,162.65 and 99,054,007.80

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Solution

The fourth proportional to 320,365,408.71, 480,594,162.65 and 99,054,007.80 is: 148,595,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,365,408.71 : 480,594,162.65 = 99,054,007.80 : x
  2. Step 2: Convert to fraction form
    320,365,408.71/480,594,162.65 = 99,054,007.80/x
  3. Step 3: Cross multiply
    320,365,408.71x = 480,594,162.65 × 99,054,007.80
  4. Step 4: Simplify right side
    320,365,408.71x = 47,604,777,935,767,568
  5. Step 5: Solve for x
    x = 47,604,777,935,767,568/320,365,408.71
  6. Step 6: Final answer
    x = 148,595,249.80

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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.