Home / 207,629,849.80-311,444,774.70-54,291,406.60

Finding the Fourth Proportional to 207,629,849.80, 311,444,774.70 and 54,291,406.60

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Solution

The fourth proportional to 207,629,849.80, 311,444,774.70 and 54,291,406.60 is: 81,437,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,629,849.80 : 311,444,774.70 = 54,291,406.60 : x
  2. Step 2: Convert to fraction form
    207,629,849.80/311,444,774.70 = 54,291,406.60/x
  3. Step 3: Cross multiply
    207,629,849.80x = 311,444,774.70 × 54,291,406.60
  4. Step 4: Simplify right side
    207,629,849.80x = 16,908,774,896,683,092
  5. Step 5: Solve for x
    x = 16,908,774,896,683,092/207,629,849.80
  6. Step 6: Final answer
    x = 81,437,109.90

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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.