Home / 206,751,155.54-309,939,025.77-103,152,047.00

Finding the Fourth Proportional to 206,751,155.54, 309,939,025.77 and 103,152,047.00

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Solution

The fourth proportional to 206,751,155.54, 309,939,025.77 and 103,152,047.00 is: 154,634,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,751,155.54 : 309,939,025.77 = 103,152,047.00 : x
  2. Step 2: Convert to fraction form
    206,751,155.54/309,939,025.77 = 103,152,047.00/x
  3. Step 3: Cross multiply
    206,751,155.54x = 309,939,025.77 × 103,152,047.00
  4. Step 4: Simplify right side
    206,751,155.54x = 31,970,844,951,811,556
  5. Step 5: Solve for x
    x = 31,970,844,951,811,556/206,751,155.54
  6. Step 6: Final answer
    x = 154,634,419.67

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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.