Home / 74,460,906.90-111,691,360.35-19,873,386.90

Finding the Fourth Proportional to 74,460,906.90, 111,691,360.35 and 19,873,386.90

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Solution

The fourth proportional to 74,460,906.90, 111,691,360.35 and 19,873,386.90 is: 29,810,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,460,906.90 : 111,691,360.35 = 19,873,386.90 : x
  2. Step 2: Convert to fraction form
    74,460,906.90/111,691,360.35 = 19,873,386.90/x
  3. Step 3: Cross multiply
    74,460,906.90x = 111,691,360.35 × 19,873,386.90
  4. Step 4: Simplify right side
    74,460,906.90x = 2,219,685,617,622,869.25
  5. Step 5: Solve for x
    x = 2,219,685,617,622,869.25/74,460,906.90
  6. Step 6: Final answer
    x = 29,810,080.35

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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.