Home / 81,182,930.16-121,762,585.44-23,659,756.32

Finding the Fourth Proportional to 81,182,930.16, 121,762,585.44 and 23,659,756.32

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Solution

The fourth proportional to 81,182,930.16, 121,762,585.44 and 23,659,756.32 is: 35,486,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182,930.16 : 121,762,585.44 = 23,659,756.32 : x
  2. Step 2: Convert to fraction form
    81,182,930.16/121,762,585.44 = 23,659,756.32/x
  3. Step 3: Cross multiply
    81,182,930.16x = 121,762,585.44 × 23,659,756.32
  4. Step 4: Simplify right side
    81,182,930.16x = 2,880,873,100,403,580
  5. Step 5: Solve for x
    x = 2,880,873,100,403,580/81,182,930.16
  6. Step 6: Final answer
    x = 35,486,192.66

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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.