Home / 85,485,993,869.60-117,970,810,321.56-47,424,201,852.32

Finding the Fourth Proportional to 85,485,993,869.60, 117,970,810,321.56 and 47,424,201,852.32

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Solution

The fourth proportional to 85,485,993,869.60, 117,970,810,321.56 and 47,424,201,852.32 is: 65,445,475,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,485,993,869.60 : 117,970,810,321.56 = 47,424,201,852.32 : x
  2. Step 2: Convert to fraction form
    85,485,993,869.60/117,970,810,321.56 = 47,424,201,852.32/x
  3. Step 3: Cross multiply
    85,485,993,869.60x = 117,970,810,321.56 × 47,424,201,852.32
  4. Step 4: Simplify right side
    85,485,993,869.60x = 5,594,671,521,371,417,214,976
  5. Step 5: Solve for x
    x = 5,594,671,521,371,417,214,976/85,485,993,869.60
  6. Step 6: Final answer
    x = 65,445,475,546.62

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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.