Home / 206,751,150.20-309,939,017.84-103,152,041.66

Finding the Fourth Proportional to 206,751,150.20, 309,939,017.84 and 103,152,041.66

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Solution

The fourth proportional to 206,751,150.20, 309,939,017.84 and 103,152,041.66 is: 154,634,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,751,150.20 : 309,939,017.84 = 103,152,041.66 : x
  2. Step 2: Convert to fraction form
    206,751,150.20/309,939,017.84 = 103,152,041.66/x
  3. Step 3: Cross multiply
    206,751,150.20x = 309,939,017.84 × 103,152,041.66
  4. Step 4: Simplify right side
    206,751,150.20x = 31,970,842,479,775,400
  5. Step 5: Solve for x
    x = 31,970,842,479,775,400/206,751,150.20
  6. Step 6: Final answer
    x = 154,634,411.70

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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.