Home / 85,030,740,756.46-117,345,987,133.23-48,901,801,391.20

Finding the Fourth Proportional to 85,030,740,756.46, 117,345,987,133.23 and 48,901,801,391.20

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Solution

The fourth proportional to 85,030,740,756.46, 117,345,987,133.23 and 48,901,801,391.20 is: 67,486,536,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,030,740,756.46 : 117,345,987,133.23 = 48,901,801,391.20 : x
  2. Step 2: Convert to fraction form
    85,030,740,756.46/117,345,987,133.23 = 48,901,801,391.20/x
  3. Step 3: Cross multiply
    85,030,740,756.46x = 117,345,987,133.23 × 48,901,801,391.20
  4. Step 4: Simplify right side
    85,030,740,756.46x = 5,738,430,156,843,523,244,032
  5. Step 5: Solve for x
    x = 5,738,430,156,843,523,244,032/85,030,740,756.46
  6. Step 6: Final answer
    x = 67,486,536,113.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.