Home / 108,871,712.20-163,304,069.10-36,091,851.40

Finding the Fourth Proportional to 108,871,712.20, 163,304,069.10 and 36,091,851.40

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Solution

The fourth proportional to 108,871,712.20, 163,304,069.10 and 36,091,851.40 is: 54,136,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,712.20 : 163,304,069.10 = 36,091,851.40 : x
  2. Step 2: Convert to fraction form
    108,871,712.20/163,304,069.10 = 36,091,851.40/x
  3. Step 3: Cross multiply
    108,871,712.20x = 163,304,069.10 × 36,091,851.40
  4. Step 4: Simplify right side
    108,871,712.20x = 5,893,946,194,972,531
  5. Step 5: Solve for x
    x = 5,893,946,194,972,531/108,871,712.20
  6. Step 6: Final answer
    x = 54,136,617.09

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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.