Home / 51,775,433.52-77,642,966.98-19,409,676.09

Finding the Fourth Proportional to 51,775,433.52, 77,642,966.98 and 19,409,676.09

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Solution

The fourth proportional to 51,775,433.52, 77,642,966.98 and 19,409,676.09 is: 29,106,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,775,433.52 : 77,642,966.98 = 19,409,676.09 : x
  2. Step 2: Convert to fraction form
    51,775,433.52/77,642,966.98 = 19,409,676.09/x
  3. Step 3: Cross multiply
    51,775,433.52x = 77,642,966.98 × 19,409,676.09
  4. Step 4: Simplify right side
    51,775,433.52x = 1,507,024,839,748,365.50
  5. Step 5: Solve for x
    x = 1,507,024,839,748,365.50/51,775,433.52
  6. Step 6: Final answer
    x = 29,106,947.78

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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.