Home / 123,505,838.22-185,257,699.07-31,389,841.09

Finding the Fourth Proportional to 123,505,838.22, 185,257,699.07 and 31,389,841.09

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Solution

The fourth proportional to 123,505,838.22, 185,257,699.07 and 31,389,841.09 is: 47,084,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,505,838.22 : 185,257,699.07 = 31,389,841.09 : x
  2. Step 2: Convert to fraction form
    123,505,838.22/185,257,699.07 = 31,389,841.09/x
  3. Step 3: Cross multiply
    123,505,838.22x = 185,257,699.07 × 31,389,841.09
  4. Step 4: Simplify right side
    123,505,838.22x = 5,815,209,733,886,247
  5. Step 5: Solve for x
    x = 5,815,209,733,886,247/123,505,838.22
  6. Step 6: Final answer
    x = 47,084,492.67

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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.