Home / 78,805,881.36-118,215,120.60-27,699,365.52

Finding the Fourth Proportional to 78,805,881.36, 118,215,120.60 and 27,699,365.52

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Solution

The fourth proportional to 78,805,881.36, 118,215,120.60 and 27,699,365.52 is: 41,551,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,805,881.36 : 118,215,120.60 = 27,699,365.52 : x
  2. Step 2: Convert to fraction form
    78,805,881.36/118,215,120.60 = 27,699,365.52/x
  3. Step 3: Cross multiply
    78,805,881.36x = 118,215,120.60 × 27,699,365.52
  4. Step 4: Simplify right side
    78,805,881.36x = 3,274,483,835,490,281.50
  5. Step 5: Solve for x
    x = 3,274,483,835,490,281.50/78,805,881.36
  6. Step 6: Final answer
    x = 41,551,262.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.