Home / 275,219,756.38-379,803,153.93-151,460,433.58

Finding the Fourth Proportional to 275,219,756.38, 379,803,153.93 and 151,460,433.58

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Solution

The fourth proportional to 275,219,756.38, 379,803,153.93 and 151,460,433.58 is: 209,015,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,219,756.38 : 379,803,153.93 = 151,460,433.58 : x
  2. Step 2: Convert to fraction form
    275,219,756.38/379,803,153.93 = 151,460,433.58/x
  3. Step 3: Cross multiply
    275,219,756.38x = 379,803,153.93 × 151,460,433.58
  4. Step 4: Simplify right side
    275,219,756.38x = 57,525,150,369,289,288
  5. Step 5: Solve for x
    x = 57,525,150,369,289,288/275,219,756.38
  6. Step 6: Final answer
    x = 209,015,337.87

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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.