Home / 81,169,403.63-121,774,284.15-23,662,180.31

Finding the Fourth Proportional to 81,169,403.63, 121,774,284.15 and 23,662,180.31

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Solution

The fourth proportional to 81,169,403.63, 121,774,284.15 and 23,662,180.31 is: 35,499,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,169,403.63 : 121,774,284.15 = 23,662,180.31 : x
  2. Step 2: Convert to fraction form
    81,169,403.63/121,774,284.15 = 23,662,180.31/x
  3. Step 3: Cross multiply
    81,169,403.63x = 121,774,284.15 × 23,662,180.31
  4. Step 4: Simplify right side
    81,169,403.63x = 2,881,445,068,069,604
  5. Step 5: Solve for x
    x = 2,881,445,068,069,604/81,169,403.63
  6. Step 6: Final answer
    x = 35,499,152.88

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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.