Home / 137,796,909.70-206,695,364.55-99,054,860.80

Finding the Fourth Proportional to 137,796,909.70, 206,695,364.55 and 99,054,860.80

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Solution

The fourth proportional to 137,796,909.70, 206,695,364.55 and 99,054,860.80 is: 148,582,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,796,909.70 : 206,695,364.55 = 99,054,860.80 : x
  2. Step 2: Convert to fraction form
    137,796,909.70/206,695,364.55 = 99,054,860.80/x
  3. Step 3: Cross multiply
    137,796,909.70x = 206,695,364.55 × 99,054,860.80
  4. Step 4: Simplify right side
    137,796,909.70x = 20,474,180,563,505,504
  5. Step 5: Solve for x
    x = 20,474,180,563,505,504/137,796,909.70
  6. Step 6: Final answer
    x = 148,582,291.20

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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.