Home / 213,734,095.23-320,808,459.39-103,147,589.61

Finding the Fourth Proportional to 213,734,095.23, 320,808,459.39 and 103,147,589.61

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Solution

The fourth proportional to 213,734,095.23, 320,808,459.39 and 103,147,589.61 is: 154,821,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,734,095.23 : 320,808,459.39 = 103,147,589.61 : x
  2. Step 2: Convert to fraction form
    213,734,095.23/320,808,459.39 = 103,147,589.61/x
  3. Step 3: Cross multiply
    213,734,095.23x = 320,808,459.39 × 103,147,589.61
  4. Step 4: Simplify right side
    213,734,095.23x = 33,090,619,312,576,068
  5. Step 5: Solve for x
    x = 33,090,619,312,576,068/213,734,095.23
  6. Step 6: Final answer
    x = 154,821,434.91

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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.