Home / 80,349,331.74-120,453,226.29-31,861,267.26

Finding the Fourth Proportional to 80,349,331.74, 120,453,226.29 and 31,861,267.26

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Solution

The fourth proportional to 80,349,331.74, 120,453,226.29 and 31,861,267.26 is: 47,763,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,349,331.74 : 120,453,226.29 = 31,861,267.26 : x
  2. Step 2: Convert to fraction form
    80,349,331.74/120,453,226.29 = 31,861,267.26/x
  3. Step 3: Cross multiply
    80,349,331.74x = 120,453,226.29 × 31,861,267.26
  4. Step 4: Simplify right side
    80,349,331.74x = 3,837,792,435,154,948.50
  5. Step 5: Solve for x
    x = 3,837,792,435,154,948.50/80,349,331.74
  6. Step 6: Final answer
    x = 47,763,837.63

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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.