Home / 305,041,616.56-421,160,133.36-234,351,327.28

Finding the Fourth Proportional to 305,041,616.56, 421,160,133.36 and 234,351,327.28

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Solution

The fourth proportional to 305,041,616.56, 421,160,133.36 and 234,351,327.28 is: 323,560,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,041,616.56 : 421,160,133.36 = 234,351,327.28 : x
  2. Step 2: Convert to fraction form
    305,041,616.56/421,160,133.36 = 234,351,327.28/x
  3. Step 3: Cross multiply
    305,041,616.56x = 421,160,133.36 × 234,351,327.28
  4. Step 4: Simplify right side
    305,041,616.56x = 98,699,436,250,337,808
  5. Step 5: Solve for x
    x = 98,699,436,250,337,808/305,041,616.56
  6. Step 6: Final answer
    x = 323,560,559.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.