Home / 109,849,726.80-164,774,590.20-84,419,096.40

Finding the Fourth Proportional to 109,849,726.80, 164,774,590.20 and 84,419,096.40

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Solution

The fourth proportional to 109,849,726.80, 164,774,590.20 and 84,419,096.40 is: 126,628,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,849,726.80 : 164,774,590.20 = 84,419,096.40 : x
  2. Step 2: Convert to fraction form
    109,849,726.80/164,774,590.20 = 84,419,096.40/x
  3. Step 3: Cross multiply
    109,849,726.80x = 164,774,590.20 × 84,419,096.40
  4. Step 4: Simplify right side
    109,849,726.80x = 13,910,122,014,364,296
  5. Step 5: Solve for x
    x = 13,910,122,014,364,296/109,849,726.80
  6. Step 6: Final answer
    x = 126,628,644.60

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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.