Home / 288,015,529.90-397,462,477.44-155,856,512.08

Finding the Fourth Proportional to 288,015,529.90, 397,462,477.44 and 155,856,512.08

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Solution

The fourth proportional to 288,015,529.90, 397,462,477.44 and 155,856,512.08 is: 215,082,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,015,529.90 : 397,462,477.44 = 155,856,512.08 : x
  2. Step 2: Convert to fraction form
    288,015,529.90/397,462,477.44 = 155,856,512.08/x
  3. Step 3: Cross multiply
    288,015,529.90x = 397,462,477.44 × 155,856,512.08
  4. Step 4: Simplify right side
    288,015,529.90x = 61,947,115,416,474,096
  5. Step 5: Solve for x
    x = 61,947,115,416,474,096/288,015,529.90
  6. Step 6: Final answer
    x = 215,082,552.80

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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.