Home / 136,146,615.94-204,261,525.51-81,619,904.26

Finding the Fourth Proportional to 136,146,615.94, 204,261,525.51 and 81,619,904.26

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Solution

The fourth proportional to 136,146,615.94, 204,261,525.51 and 81,619,904.26 is: 122,454,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,146,615.94 : 204,261,525.51 = 81,619,904.26 : x
  2. Step 2: Convert to fraction form
    136,146,615.94/204,261,525.51 = 81,619,904.26/x
  3. Step 3: Cross multiply
    136,146,615.94x = 204,261,525.51 × 81,619,904.26
  4. Step 4: Simplify right side
    136,146,615.94x = 16,671,806,156,127,748
  5. Step 5: Solve for x
    x = 16,671,806,156,127,748/136,146,615.94
  6. Step 6: Final answer
    x = 122,454,796.55

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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.