Home / 281,106,317.32-387,905,537.46-171,085,870.60

Finding the Fourth Proportional to 281,106,317.32, 387,905,537.46 and 171,085,870.60

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Solution

The fourth proportional to 281,106,317.32, 387,905,537.46 and 171,085,870.60 is: 236,085,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,106,317.32 : 387,905,537.46 = 171,085,870.60 : x
  2. Step 2: Convert to fraction form
    281,106,317.32/387,905,537.46 = 171,085,870.60/x
  3. Step 3: Cross multiply
    281,106,317.32x = 387,905,537.46 × 171,085,870.60
  4. Step 4: Simplify right side
    281,106,317.32x = 66,365,156,586,905,008
  5. Step 5: Solve for x
    x = 66,365,156,586,905,008/281,106,317.32
  6. Step 6: Final answer
    x = 236,085,610.67

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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.