Home / 103,990,062,511.76-155,876,225,152.98-43,518,986,654.44

Finding the Fourth Proportional to 103,990,062,511.76, 155,876,225,152.98 and 43,518,986,654.44

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Solution

The fourth proportional to 103,990,062,511.76, 155,876,225,152.98 and 43,518,986,654.44 is: 65,232,919,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,990,062,511.76 : 155,876,225,152.98 = 43,518,986,654.44 : x
  2. Step 2: Convert to fraction form
    103,990,062,511.76/155,876,225,152.98 = 43,518,986,654.44/x
  3. Step 3: Cross multiply
    103,990,062,511.76x = 155,876,225,152.98 × 43,518,986,654.44
  4. Step 4: Simplify right side
    103,990,062,511.76x = 6,783,575,362,177,021,771,776
  5. Step 5: Solve for x
    x = 6,783,575,362,177,021,771,776/103,990,062,511.76
  6. Step 6: Final answer
    x = 65,232,919,361.02

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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.