Home / 74,207,353,991.40-111,311,030,987.14-38,821,036,141.80

Finding the Fourth Proportional to 74,207,353,991.40, 111,311,030,987.14 and 38,821,036,141.80

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Solution

The fourth proportional to 74,207,353,991.40, 111,311,030,987.14 and 38,821,036,141.80 is: 58,231,554,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207,353,991.40 : 111,311,030,987.14 = 38,821,036,141.80 : x
  2. Step 2: Convert to fraction form
    74,207,353,991.40/111,311,030,987.14 = 38,821,036,141.80/x
  3. Step 3: Cross multiply
    74,207,353,991.40x = 111,311,030,987.14 × 38,821,036,141.80
  4. Step 4: Simplify right side
    74,207,353,991.40x = 4,321,209,556,932,782,194,688
  5. Step 5: Solve for x
    x = 4,321,209,556,932,782,194,688/74,207,353,991.40
  6. Step 6: Final answer
    x = 58,231,554,212.72

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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.