Home / 81,061,848.23-121,593,056.65-19,650,757.01

Finding the Fourth Proportional to 81,061,848.23, 121,593,056.65 and 19,650,757.01

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Solution

The fourth proportional to 81,061,848.23, 121,593,056.65 and 19,650,757.01 is: 29,476,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,061,848.23 : 121,593,056.65 = 19,650,757.01 : x
  2. Step 2: Convert to fraction form
    81,061,848.23/121,593,056.65 = 19,650,757.01/x
  3. Step 3: Cross multiply
    81,061,848.23x = 121,593,056.65 × 19,650,757.01
  4. Step 4: Simplify right side
    81,061,848.23x = 2,389,395,609,675,222
  5. Step 5: Solve for x
    x = 2,389,395,609,675,222/81,061,848.23
  6. Step 6: Final answer
    x = 29,476,204.43

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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.