Home / 313,684,907.96-470,427,535.54-103,556,469.30

Finding the Fourth Proportional to 313,684,907.96, 470,427,535.54 and 103,556,469.30

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Solution

The fourth proportional to 313,684,907.96, 470,427,535.54 and 103,556,469.30 is: 155,301,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,684,907.96 : 470,427,535.54 = 103,556,469.30 : x
  2. Step 2: Convert to fraction form
    313,684,907.96/470,427,535.54 = 103,556,469.30/x
  3. Step 3: Cross multiply
    313,684,907.96x = 470,427,535.54 × 103,556,469.30
  4. Step 4: Simplify right side
    313,684,907.96x = 48,715,814,644,212,408
  5. Step 5: Solve for x
    x = 48,715,814,644,212,408/313,684,907.96
  6. Step 6: Final answer
    x = 155,301,748.37

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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.