Home / 139,993,836.72-210,000,845.28-53,732,243.60

Finding the Fourth Proportional to 139,993,836.72, 210,000,845.28 and 53,732,243.60

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Solution

The fourth proportional to 139,993,836.72, 210,000,845.28 and 53,732,243.60 is: 80,602,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,993,836.72 : 210,000,845.28 = 53,732,243.60 : x
  2. Step 2: Convert to fraction form
    139,993,836.72/210,000,845.28 = 53,732,243.60/x
  3. Step 3: Cross multiply
    139,993,836.72x = 210,000,845.28 × 53,732,243.60
  4. Step 4: Simplify right side
    139,993,836.72x = 11,283,816,574,790,870
  5. Step 5: Solve for x
    x = 11,283,816,574,790,870/139,993,836.72
  6. Step 6: Final answer
    x = 80,602,238.21

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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.