Home / 203,615,518.30-305,423,277.45-50,261,574.74

Finding the Fourth Proportional to 203,615,518.30, 305,423,277.45 and 50,261,574.74

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Solution

The fourth proportional to 203,615,518.30, 305,423,277.45 and 50,261,574.74 is: 75,392,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,615,518.30 : 305,423,277.45 = 50,261,574.74 : x
  2. Step 2: Convert to fraction form
    203,615,518.30/305,423,277.45 = 50,261,574.74/x
  3. Step 3: Cross multiply
    203,615,518.30x = 305,423,277.45 × 50,261,574.74
  4. Step 4: Simplify right side
    203,615,518.30x = 15,351,054,886,125,372
  5. Step 5: Solve for x
    x = 15,351,054,886,125,372/203,615,518.30
  6. Step 6: Final answer
    x = 75,392,362.11

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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.