Home / 149,286,231.96-206,015,955.69-83,210,919

Finding the Fourth Proportional to 149,286,231.96, 206,015,955.69 and 83,210,919

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Solution

The fourth proportional to 149,286,231.96, 206,015,955.69 and 83,210,919 is: 114,831,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,286,231.96 : 206,015,955.69 = 83,210,919 : x
  2. Step 2: Convert to fraction form
    149,286,231.96/206,015,955.69 = 83,210,919/x
  3. Step 3: Cross multiply
    149,286,231.96x = 206,015,955.69 × 83,210,919
  4. Step 4: Simplify right side
    149,286,231.96x = 17,142,777,001,628,178
  5. Step 5: Solve for x
    x = 17,142,777,001,628,178/149,286,231.96
  6. Step 6: Final answer
    x = 114,831,600.86

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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.