Home / 54,495,909,128.80-81,743,863,693.20-17,242,320,181.60

Finding the Fourth Proportional to 54,495,909,128.80, 81,743,863,693.20 and 17,242,320,181.60

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Solution

The fourth proportional to 54,495,909,128.80, 81,743,863,693.20 and 17,242,320,181.60 is: 25,863,480,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,495,909,128.80 : 81,743,863,693.20 = 17,242,320,181.60 : x
  2. Step 2: Convert to fraction form
    54,495,909,128.80/81,743,863,693.20 = 17,242,320,181.60/x
  3. Step 3: Cross multiply
    54,495,909,128.80x = 81,743,863,693.20 × 17,242,320,181.60
  4. Step 4: Simplify right side
    54,495,909,128.80x = 1,409,453,870,679,221,600,256
  5. Step 5: Solve for x
    x = 1,409,453,870,679,221,600,256/54,495,909,128.80
  6. Step 6: Final answer
    x = 25,863,480,272.40

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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.