Home / 71,928,021.60-107,892,032.40-52,796,145.60

Finding the Fourth Proportional to 71,928,021.60, 107,892,032.40 and 52,796,145.60

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Solution

The fourth proportional to 71,928,021.60, 107,892,032.40 and 52,796,145.60 is: 79,194,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,928,021.60 : 107,892,032.40 = 52,796,145.60 : x
  2. Step 2: Convert to fraction form
    71,928,021.60/107,892,032.40 = 52,796,145.60/x
  3. Step 3: Cross multiply
    71,928,021.60x = 107,892,032.40 × 52,796,145.60
  4. Step 4: Simplify right side
    71,928,021.60x = 5,696,283,451,670,318
  5. Step 5: Solve for x
    x = 5,696,283,451,670,318/71,928,021.60
  6. Step 6: Final answer
    x = 79,194,218.40

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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.