Home / 289,143,293.09-433,706,662.46-81,881,213.56

Finding the Fourth Proportional to 289,143,293.09, 433,706,662.46 and 81,881,213.56

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Solution

The fourth proportional to 289,143,293.09, 433,706,662.46 and 81,881,213.56 is: 122,819,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,143,293.09 : 433,706,662.46 = 81,881,213.56 : x
  2. Step 2: Convert to fraction form
    289,143,293.09/433,706,662.46 = 81,881,213.56/x
  3. Step 3: Cross multiply
    289,143,293.09x = 433,706,662.46 × 81,881,213.56
  4. Step 4: Simplify right side
    289,143,293.09x = 35,512,427,850,402,532
  5. Step 5: Solve for x
    x = 35,512,427,850,402,532/289,143,293.09
  6. Step 6: Final answer
    x = 122,819,476.36

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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.