Home / 81,057,955.63-121,594,407.94-26,470,827.24

Finding the Fourth Proportional to 81,057,955.63, 121,594,407.94 and 26,470,827.24

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Solution

The fourth proportional to 81,057,955.63, 121,594,407.94 and 26,470,827.24 is: 39,708,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,057,955.63 : 121,594,407.94 = 26,470,827.24 : x
  2. Step 2: Convert to fraction form
    81,057,955.63/121,594,407.94 = 26,470,827.24/x
  3. Step 3: Cross multiply
    81,057,955.63x = 121,594,407.94 × 26,470,827.24
  4. Step 4: Simplify right side
    81,057,955.63x = 3,218,704,565,929,824
  5. Step 5: Solve for x
    x = 3,218,704,565,929,824/81,057,955.63
  6. Step 6: Final answer
    x = 39,708,681.78

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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.