Home / 326,851,260.15-490,372,408.91-105,517,406.76

Finding the Fourth Proportional to 326,851,260.15, 490,372,408.91 and 105,517,406.76

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Solution

The fourth proportional to 326,851,260.15, 490,372,408.91 and 105,517,406.76 is: 158,306,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,851,260.15 : 490,372,408.91 = 105,517,406.76 : x
  2. Step 2: Convert to fraction form
    326,851,260.15/490,372,408.91 = 105,517,406.76/x
  3. Step 3: Cross multiply
    326,851,260.15x = 490,372,408.91 × 105,517,406.76
  4. Step 4: Simplify right side
    326,851,260.15x = 51,742,824,934,309,928
  5. Step 5: Solve for x
    x = 51,742,824,934,309,928/326,851,260.15
  6. Step 6: Final answer
    x = 158,306,946.44

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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.