Home / 72,434,932.56-108,681,432.63-26,380,009.44

Finding the Fourth Proportional to 72,434,932.56, 108,681,432.63 and 26,380,009.44

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Solution

The fourth proportional to 72,434,932.56, 108,681,432.63 and 26,380,009.44 is: 39,580,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,434,932.56 : 108,681,432.63 = 26,380,009.44 : x
  2. Step 2: Convert to fraction form
    72,434,932.56/108,681,432.63 = 26,380,009.44/x
  3. Step 3: Cross multiply
    72,434,932.56x = 108,681,432.63 × 26,380,009.44
  4. Step 4: Simplify right side
    72,434,932.56x = 2,867,017,218,732,124
  5. Step 5: Solve for x
    x = 2,867,017,218,732,124/72,434,932.56
  6. Step 6: Final answer
    x = 39,580,587.95

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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.