Home / 86,379,214.60-118,568,802.04-76,370,409.10

Finding the Fourth Proportional to 86,379,214.60, 118,568,802.04 and 76,370,409.10

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Solution

The fourth proportional to 86,379,214.60, 118,568,802.04 and 76,370,409.10 is: 104,830,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,379,214.60 : 118,568,802.04 = 76,370,409.10 : x
  2. Step 2: Convert to fraction form
    86,379,214.60/118,568,802.04 = 76,370,409.10/x
  3. Step 3: Cross multiply
    86,379,214.60x = 118,568,802.04 × 76,370,409.10
  4. Step 4: Simplify right side
    86,379,214.60x = 9,055,147,917,909,862
  5. Step 5: Solve for x
    x = 9,055,147,917,909,862/86,379,214.60
  6. Step 6: Final answer
    x = 104,830,171.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.