Home / 139,968,155.70-196,156,971.90-139,968,155.70

Finding the Fourth Proportional to 139,968,155.70, 196,156,971.90 and 139,968,155.70

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Solution

The fourth proportional to 139,968,155.70, 196,156,971.90 and 139,968,155.70 is: 196,156,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,155.70 : 196,156,971.90 = 139,968,155.70 : x
  2. Step 2: Convert to fraction form
    139,968,155.70/196,156,971.90 = 139,968,155.70/x
  3. Step 3: Cross multiply
    139,968,155.70x = 196,156,971.90 × 139,968,155.70
  4. Step 4: Simplify right side
    139,968,155.70x = 27,455,729,584,539,724
  5. Step 5: Solve for x
    x = 27,455,729,584,539,724/139,968,155.70
  6. Step 6: Final answer
    x = 196,156,971.90

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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.