Home / 74,490,193,314.20-111,735,289,971.30-66,408,888,891.80

Finding the Fourth Proportional to 74,490,193,314.20, 111,735,289,971.30 and 66,408,888,891.80

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Solution

The fourth proportional to 74,490,193,314.20, 111,735,289,971.30 and 66,408,888,891.80 is: 99,613,333,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490,193,314.20 : 111,735,289,971.30 = 66,408,888,891.80 : x
  2. Step 2: Convert to fraction form
    74,490,193,314.20/111,735,289,971.30 = 66,408,888,891.80/x
  3. Step 3: Cross multiply
    74,490,193,314.20x = 111,735,289,971.30 × 66,408,888,891.80
  4. Step 4: Simplify right side
    74,490,193,314.20x = 7,420,216,456,997,117,100,032
  5. Step 5: Solve for x
    x = 7,420,216,456,997,117,100,032/74,490,193,314.20
  6. Step 6: Final answer
    x = 99,613,333,337.70

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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.