Home / 55,520,970,012-76,618,938,616.57-31,759,180,020

Finding the Fourth Proportional to 55,520,970,012, 76,618,938,616.57 and 31,759,180,020

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Solution

The fourth proportional to 55,520,970,012, 76,618,938,616.57 and 31,759,180,020 is: 43,827,668,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,520,970,012 : 76,618,938,616.57 = 31,759,180,020 : x
  2. Step 2: Convert to fraction form
    55,520,970,012/76,618,938,616.57 = 31,759,180,020/x
  3. Step 3: Cross multiply
    55,520,970,012x = 76,618,938,616.57 × 31,759,180,020
  4. Step 4: Simplify right side
    55,520,970,012x = 2,433,354,664,464,976,707,584
  5. Step 5: Solve for x
    x = 2,433,354,664,464,976,707,584/55,520,970,012
  6. Step 6: Final answer
    x = 43,827,668,427.61

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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.