Home / 109,354,780.80-164,032,171.20-63,893,174.40

Finding the Fourth Proportional to 109,354,780.80, 164,032,171.20 and 63,893,174.40

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Solution

The fourth proportional to 109,354,780.80, 164,032,171.20 and 63,893,174.40 is: 95,839,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,354,780.80 : 164,032,171.20 = 63,893,174.40 : x
  2. Step 2: Convert to fraction form
    109,354,780.80/164,032,171.20 = 63,893,174.40/x
  3. Step 3: Cross multiply
    109,354,780.80x = 164,032,171.20 × 63,893,174.40
  4. Step 4: Simplify right side
    109,354,780.80x = 10,480,536,121,692,256
  5. Step 5: Solve for x
    x = 10,480,536,121,692,256/109,354,780.80
  6. Step 6: Final answer
    x = 95,839,761.60

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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.