Home / 139,968,153.45-196,156,968.75-139,968,153.45

Finding the Fourth Proportional to 139,968,153.45, 196,156,968.75 and 139,968,153.45

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Solution

The fourth proportional to 139,968,153.45, 196,156,968.75 and 139,968,153.45 is: 196,156,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,153.45 : 196,156,968.75 = 139,968,153.45 : x
  2. Step 2: Convert to fraction form
    139,968,153.45/196,156,968.75 = 139,968,153.45/x
  3. Step 3: Cross multiply
    139,968,153.45x = 196,156,968.75 × 139,968,153.45
  4. Step 4: Simplify right side
    139,968,153.45x = 27,455,728,702,286,852
  5. Step 5: Solve for x
    x = 27,455,728,702,286,852/139,968,153.45
  6. Step 6: Final answer
    x = 196,156,968.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.