Home / 180,301,601.42-248,813,768.36-100,916,639.30

Finding the Fourth Proportional to 180,301,601.42, 248,813,768.36 and 100,916,639.30

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Solution

The fourth proportional to 180,301,601.42, 248,813,768.36 and 100,916,639.30 is: 139,263,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,301,601.42 : 248,813,768.36 = 100,916,639.30 : x
  2. Step 2: Convert to fraction form
    180,301,601.42/248,813,768.36 = 100,916,639.30/x
  3. Step 3: Cross multiply
    180,301,601.42x = 248,813,768.36 × 100,916,639.30
  4. Step 4: Simplify right side
    180,301,601.42x = 25,109,449,315,334,200
  5. Step 5: Solve for x
    x = 25,109,449,315,334,200/180,301,601.42
  6. Step 6: Final answer
    x = 139,263,595.65

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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.