Home / 66,322,877,697.57-99,383,084,340.76-39,378,386,328.33

Finding the Fourth Proportional to 66,322,877,697.57, 99,383,084,340.76 and 39,378,386,328.33

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Solution

The fourth proportional to 66,322,877,697.57, 99,383,084,340.76 and 39,378,386,328.33 is: 59,007,474,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,322,877,697.57 : 99,383,084,340.76 = 39,378,386,328.33 : x
  2. Step 2: Convert to fraction form
    66,322,877,697.57/99,383,084,340.76 = 39,378,386,328.33/x
  3. Step 3: Cross multiply
    66,322,877,697.57x = 99,383,084,340.76 × 39,378,386,328.33
  4. Step 4: Simplify right side
    66,322,877,697.57x = 3,913,545,489,671,451,049,984
  5. Step 5: Solve for x
    x = 3,913,545,489,671,451,049,984/66,322,877,697.57
  6. Step 6: Final answer
    x = 59,007,474,125.55

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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.