Home / 81,290,980.36-121,910,773.02-26,694,565.48

Finding the Fourth Proportional to 81,290,980.36, 121,910,773.02 and 26,694,565.48

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Solution

The fourth proportional to 81,290,980.36, 121,910,773.02 and 26,694,565.48 is: 40,033,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,290,980.36 : 121,910,773.02 = 26,694,565.48 : x
  2. Step 2: Convert to fraction form
    81,290,980.36/121,910,773.02 = 26,694,565.48/x
  3. Step 3: Cross multiply
    81,290,980.36x = 121,910,773.02 × 26,694,565.48
  4. Step 4: Simplify right side
    81,290,980.36x = 3,254,355,112,694,925.50
  5. Step 5: Solve for x
    x = 3,254,355,112,694,925.50/81,290,980.36
  6. Step 6: Final answer
    x = 40,033,409.59

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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.