Home / 112,278,726.40-168,474,076.80-63,793,811.20

Finding the Fourth Proportional to 112,278,726.40, 168,474,076.80 and 63,793,811.20

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Solution

The fourth proportional to 112,278,726.40, 168,474,076.80 and 63,793,811.20 is: 95,722,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,278,726.40 : 168,474,076.80 = 63,793,811.20 : x
  2. Step 2: Convert to fraction form
    112,278,726.40/168,474,076.80 = 63,793,811.20/x
  3. Step 3: Cross multiply
    112,278,726.40x = 168,474,076.80 × 63,793,811.20
  4. Step 4: Simplify right side
    112,278,726.40x = 10,747,603,447,473,502
  5. Step 5: Solve for x
    x = 10,747,603,447,473,502/112,278,726.40
  6. Step 6: Final answer
    x = 95,722,527.25

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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.