Home / 103,990,062,918.52-155,876,225,762.08-43,518,987,060.56

Finding the Fourth Proportional to 103,990,062,918.52, 155,876,225,762.08 and 43,518,987,060.56

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Solution

The fourth proportional to 103,990,062,918.52, 155,876,225,762.08 and 43,518,987,060.56 is: 65,232,919,969.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,990,062,918.52 : 155,876,225,762.08 = 43,518,987,060.56 : x
  2. Step 2: Convert to fraction form
    103,990,062,918.52/155,876,225,762.08 = 43,518,987,060.56/x
  3. Step 3: Cross multiply
    103,990,062,918.52x = 155,876,225,762.08 × 43,518,987,060.56
  4. Step 4: Simplify right side
    103,990,062,918.52x = 6,783,575,451,988,887,863,296
  5. Step 5: Solve for x
    x = 6,783,575,451,988,887,863,296/103,990,062,918.52
  6. Step 6: Final answer
    x = 65,232,919,969.52

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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.