Home / 213,734,085.53-320,808,444.83-103,147,579.88

Finding the Fourth Proportional to 213,734,085.53, 320,808,444.83 and 103,147,579.88

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Solution

The fourth proportional to 213,734,085.53, 320,808,444.83 and 103,147,579.88 is: 154,821,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,734,085.53 : 320,808,444.83 = 103,147,579.88 : x
  2. Step 2: Convert to fraction form
    213,734,085.53/320,808,444.83 = 103,147,579.88/x
  3. Step 3: Cross multiply
    213,734,085.53x = 320,808,444.83 × 103,147,579.88
  4. Step 4: Simplify right side
    213,734,085.53x = 33,090,614,689,280,996
  5. Step 5: Solve for x
    x = 33,090,614,689,280,996/213,734,085.53
  6. Step 6: Final answer
    x = 154,821,420.30

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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.