Home / 74,354,279.67-111,575,072.16-31,220,166.15

Finding the Fourth Proportional to 74,354,279.67, 111,575,072.16 and 31,220,166.15

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Solution

The fourth proportional to 74,354,279.67, 111,575,072.16 and 31,220,166.15 is: 46,848,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354,279.67 : 111,575,072.16 = 31,220,166.15 : x
  2. Step 2: Convert to fraction form
    74,354,279.67/111,575,072.16 = 31,220,166.15/x
  3. Step 3: Cross multiply
    74,354,279.67x = 111,575,072.16 × 31,220,166.15
  4. Step 4: Simplify right side
    74,354,279.67x = 3,483,392,291,033,439
  5. Step 5: Solve for x
    x = 3,483,392,291,033,439/74,354,279.67
  6. Step 6: Final answer
    x = 46,848,578.27

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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.