Home / 320,804,988.70-481,207,483.05-116,339,734.30

Finding the Fourth Proportional to 320,804,988.70, 481,207,483.05 and 116,339,734.30

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Solution

The fourth proportional to 320,804,988.70, 481,207,483.05 and 116,339,734.30 is: 174,509,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,804,988.70 : 481,207,483.05 = 116,339,734.30 : x
  2. Step 2: Convert to fraction form
    320,804,988.70/481,207,483.05 = 116,339,734.30/x
  3. Step 3: Cross multiply
    320,804,988.70x = 481,207,483.05 × 116,339,734.30
  4. Step 4: Simplify right side
    320,804,988.70x = 55,983,550,721,208,752
  5. Step 5: Solve for x
    x = 55,983,550,721,208,752/320,804,988.70
  6. Step 6: Final answer
    x = 174,509,601.45

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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.