Home / 111,078,315.72-166,724,942.76-53,611,041.60

Finding the Fourth Proportional to 111,078,315.72, 166,724,942.76 and 53,611,041.60

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Solution

The fourth proportional to 111,078,315.72, 166,724,942.76 and 53,611,041.60 is: 80,468,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,078,315.72 : 166,724,942.76 = 53,611,041.60 : x
  2. Step 2: Convert to fraction form
    111,078,315.72/166,724,942.76 = 53,611,041.60/x
  3. Step 3: Cross multiply
    111,078,315.72x = 166,724,942.76 × 53,611,041.60
  4. Step 4: Simplify right side
    111,078,315.72x = 8,938,297,842,063,979
  5. Step 5: Solve for x
    x = 8,938,297,842,063,979/111,078,315.72
  6. Step 6: Final answer
    x = 80,468,431.52

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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.