Home / 220,212,483.64-303,912,593.12-121,110,692.72

Finding the Fourth Proportional to 220,212,483.64, 303,912,593.12 and 121,110,692.72

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Solution

The fourth proportional to 220,212,483.64, 303,912,593.12 and 121,110,692.72 is: 167,143,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,212,483.64 : 303,912,593.12 = 121,110,692.72 : x
  2. Step 2: Convert to fraction form
    220,212,483.64/303,912,593.12 = 121,110,692.72/x
  3. Step 3: Cross multiply
    220,212,483.64x = 303,912,593.12 × 121,110,692.72
  4. Step 4: Simplify right side
    220,212,483.64x = 36,807,064,679,094,704
  5. Step 5: Solve for x
    x = 36,807,064,679,094,704/220,212,483.64
  6. Step 6: Final answer
    x = 167,143,406.54

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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.