Home / 136,146,616.94-204,261,527.02-81,619,905.26

Finding the Fourth Proportional to 136,146,616.94, 204,261,527.02 and 81,619,905.26

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Solution

The fourth proportional to 136,146,616.94, 204,261,527.02 and 81,619,905.26 is: 122,454,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,146,616.94 : 204,261,527.02 = 81,619,905.26 : x
  2. Step 2: Convert to fraction form
    136,146,616.94/204,261,527.02 = 81,619,905.26/x
  3. Step 3: Cross multiply
    136,146,616.94x = 204,261,527.02 × 81,619,905.26
  4. Step 4: Simplify right side
    136,146,616.94x = 16,671,806,483,635,332
  5. Step 5: Solve for x
    x = 16,671,806,483,635,332/136,146,616.94
  6. Step 6: Final answer
    x = 122,454,798.06

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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.