Home / 74,207,354,242.90-111,311,031,364.36-38,821,036,393.30

Finding the Fourth Proportional to 74,207,354,242.90, 111,311,031,364.36 and 38,821,036,393.30

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Solution

The fourth proportional to 74,207,354,242.90, 111,311,031,364.36 and 38,821,036,393.30 is: 58,231,554,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207,354,242.90 : 111,311,031,364.36 = 38,821,036,393.30 : x
  2. Step 2: Convert to fraction form
    74,207,354,242.90/111,311,031,364.36 = 38,821,036,393.30/x
  3. Step 3: Cross multiply
    74,207,354,242.90x = 111,311,031,364.36 × 38,821,036,393.30
  4. Step 4: Simplify right side
    74,207,354,242.90x = 4,321,209,599,571,577,536,512
  5. Step 5: Solve for x
    x = 4,321,209,599,571,577,536,512/74,207,354,242.90
  6. Step 6: Final answer
    x = 58,231,554,589.96

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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.