Home / 164,989,296.70-247,483,945.05-74,290,032.70

Finding the Fourth Proportional to 164,989,296.70, 247,483,945.05 and 74,290,032.70

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Solution

The fourth proportional to 164,989,296.70, 247,483,945.05 and 74,290,032.70 is: 111,435,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,989,296.70 : 247,483,945.05 = 74,290,032.70 : x
  2. Step 2: Convert to fraction form
    164,989,296.70/247,483,945.05 = 74,290,032.70/x
  3. Step 3: Cross multiply
    164,989,296.70x = 247,483,945.05 × 74,290,032.70
  4. Step 4: Simplify right side
    164,989,296.70x = 18,385,590,370,489,504
  5. Step 5: Solve for x
    x = 18,385,590,370,489,504/164,989,296.70
  6. Step 6: Final answer
    x = 111,435,049.05

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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.