Home / 139,993,460.67-210,000,280.14-53,731,867.42

Finding the Fourth Proportional to 139,993,460.67, 210,000,280.14 and 53,731,867.42

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Solution

The fourth proportional to 139,993,460.67, 210,000,280.14 and 53,731,867.42 is: 80,601,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,993,460.67 : 210,000,280.14 = 53,731,867.42 : x
  2. Step 2: Convert to fraction form
    139,993,460.67/210,000,280.14 = 53,731,867.42/x
  3. Step 3: Cross multiply
    139,993,460.67x = 210,000,280.14 × 53,731,867.42
  4. Step 4: Simplify right side
    139,993,460.67x = 11,283,707,210,645,338
  5. Step 5: Solve for x
    x = 11,283,707,210,645,338/139,993,460.67
  6. Step 6: Final answer
    x = 80,601,673.51

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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.