Home / 111,778,341.39-167,657,907.06-68,047,749.54

Finding the Fourth Proportional to 111,778,341.39, 167,657,907.06 and 68,047,749.54

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Solution

The fourth proportional to 111,778,341.39, 167,657,907.06 and 68,047,749.54 is: 102,065,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,778,341.39 : 167,657,907.06 = 68,047,749.54 : x
  2. Step 2: Convert to fraction form
    111,778,341.39/167,657,907.06 = 68,047,749.54/x
  3. Step 3: Cross multiply
    111,778,341.39x = 167,657,907.06 × 68,047,749.54
  4. Step 4: Simplify right side
    111,778,341.39x = 11,408,743,268,019,480
  5. Step 5: Solve for x
    x = 11,408,743,268,019,480/111,778,341.39
  6. Step 6: Final answer
    x = 102,065,777.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.