Home / 77,213,090.44-115,819,569.18-19,705,357

Finding the Fourth Proportional to 77,213,090.44, 115,819,569.18 and 19,705,357

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Solution

The fourth proportional to 77,213,090.44, 115,819,569.18 and 19,705,357 is: 29,558,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,213,090.44 : 115,819,569.18 = 19,705,357 : x
  2. Step 2: Convert to fraction form
    77,213,090.44/115,819,569.18 = 19,705,357/x
  3. Step 3: Cross multiply
    77,213,090.44x = 115,819,569.18 × 19,705,357
  4. Step 4: Simplify right side
    77,213,090.44x = 2,282,265,958,278,097.50
  5. Step 5: Solve for x
    x = 2,282,265,958,278,097.50/77,213,090.44
  6. Step 6: Final answer
    x = 29,558,018.53

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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.