Home / 235,438,865.64-324,903,056.24-129,590,017.88

Finding the Fourth Proportional to 235,438,865.64, 324,903,056.24 and 129,590,017.88

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Solution

The fourth proportional to 235,438,865.64, 324,903,056.24 and 129,590,017.88 is: 178,832,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,438,865.64 : 324,903,056.24 = 129,590,017.88 : x
  2. Step 2: Convert to fraction form
    235,438,865.64/324,903,056.24 = 129,590,017.88/x
  3. Step 3: Cross multiply
    235,438,865.64x = 324,903,056.24 × 129,590,017.88
  4. Step 4: Simplify right side
    235,438,865.64x = 42,104,192,867,408,248
  5. Step 5: Solve for x
    x = 42,104,192,867,408,248/235,438,865.64
  6. Step 6: Final answer
    x = 178,832,805.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.