Home / 213,734,065.69-320,808,415.09-103,147,560.04

Finding the Fourth Proportional to 213,734,065.69, 320,808,415.09 and 103,147,560.04

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Solution

The fourth proportional to 213,734,065.69, 320,808,415.09 and 103,147,560.04 is: 154,821,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,734,065.69 : 320,808,415.09 = 103,147,560.04 : x
  2. Step 2: Convert to fraction form
    213,734,065.69/320,808,415.09 = 103,147,560.04/x
  3. Step 3: Cross multiply
    213,734,065.69x = 320,808,415.09 × 103,147,560.04
  4. Step 4: Simplify right side
    213,734,065.69x = 33,090,605,254,713,232
  5. Step 5: Solve for x
    x = 33,090,605,254,713,232/213,734,065.69
  6. Step 6: Final answer
    x = 154,821,390.53

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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.