Home / 216,266,121.20-324,434,562.60-70,657,410.80

Finding the Fourth Proportional to 216,266,121.20, 324,434,562.60 and 70,657,410.80

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Solution

The fourth proportional to 216,266,121.20, 324,434,562.60 and 70,657,410.80 is: 105,997,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,266,121.20 : 324,434,562.60 = 70,657,410.80 : x
  2. Step 2: Convert to fraction form
    216,266,121.20/324,434,562.60 = 70,657,410.80/x
  3. Step 3: Cross multiply
    216,266,121.20x = 324,434,562.60 × 70,657,410.80
  4. Step 4: Simplify right side
    216,266,121.20x = 22,923,706,167,346,516
  5. Step 5: Solve for x
    x = 22,923,706,167,346,516/216,266,121.20
  6. Step 6: Final answer
    x = 105,997,675.64

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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.