Home / 40,603,669.20-60,905,503.80-31,533,742.80

Finding the Fourth Proportional to 40,603,669.20, 60,905,503.80 and 31,533,742.80

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Solution

The fourth proportional to 40,603,669.20, 60,905,503.80 and 31,533,742.80 is: 47,300,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,603,669.20 : 60,905,503.80 = 31,533,742.80 : x
  2. Step 2: Convert to fraction form
    40,603,669.20/60,905,503.80 = 31,533,742.80/x
  3. Step 3: Cross multiply
    40,603,669.20x = 60,905,503.80 × 31,533,742.80
  4. Step 4: Simplify right side
    40,603,669.20x = 1,920,578,491,933,622.50
  5. Step 5: Solve for x
    x = 1,920,578,491,933,622.50/40,603,669.20
  6. Step 6: Final answer
    x = 47,300,614.20

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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.