Home / 219,745,970.17-303,248,241.58-120,628,403.94

Finding the Fourth Proportional to 219,745,970.17, 303,248,241.58 and 120,628,403.94

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Solution

The fourth proportional to 219,745,970.17, 303,248,241.58 and 120,628,403.94 is: 166,466,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,745,970.17 : 303,248,241.58 = 120,628,403.94 : x
  2. Step 2: Convert to fraction form
    219,745,970.17/303,248,241.58 = 120,628,403.94/x
  3. Step 3: Cross multiply
    219,745,970.17x = 303,248,241.58 × 120,628,403.94
  4. Step 4: Simplify right side
    219,745,970.17x = 36,580,351,378,546,808
  5. Step 5: Solve for x
    x = 36,580,351,378,546,808/219,745,970.17
  6. Step 6: Final answer
    x = 166,466,540.21

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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.