Home / 45,938,889.66-68,940,159.48-18,269,971.68

Finding the Fourth Proportional to 45,938,889.66, 68,940,159.48 and 18,269,971.68

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Solution

The fourth proportional to 45,938,889.66, 68,940,159.48 and 18,269,971.68 is: 27,417,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,938,889.66 : 68,940,159.48 = 18,269,971.68 : x
  2. Step 2: Convert to fraction form
    45,938,889.66/68,940,159.48 = 18,269,971.68/x
  3. Step 3: Cross multiply
    45,938,889.66x = 68,940,159.48 × 18,269,971.68
  4. Step 4: Simplify right side
    45,938,889.66x = 1,259,534,761,314,283.50
  5. Step 5: Solve for x
    x = 1,259,534,761,314,283.50/45,938,889.66
  6. Step 6: Final answer
    x = 27,417,614.37

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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.