Home / 132,384,390.40-198,208,003.20-67,548,102.40

Finding the Fourth Proportional to 132,384,390.40, 198,208,003.20 and 67,548,102.40

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Solution

The fourth proportional to 132,384,390.40, 198,208,003.20 and 67,548,102.40 is: 101,134,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,384,390.40 : 198,208,003.20 = 67,548,102.40 : x
  2. Step 2: Convert to fraction form
    132,384,390.40/198,208,003.20 = 67,548,102.40/x
  3. Step 3: Cross multiply
    132,384,390.40x = 198,208,003.20 × 67,548,102.40
  4. Step 4: Simplify right side
    132,384,390.40x = 13,388,574,496,653,128
  5. Step 5: Solve for x
    x = 13,388,574,496,653,128/132,384,390.40
  6. Step 6: Final answer
    x = 101,134,087.31

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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.