Home / 120,415,373.36-166,177,782.96-67,493,059.20

Finding the Fourth Proportional to 120,415,373.36, 166,177,782.96 and 67,493,059.20

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Solution

The fourth proportional to 120,415,373.36, 166,177,782.96 and 67,493,059.20 is: 93,142,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,415,373.36 : 166,177,782.96 = 67,493,059.20 : x
  2. Step 2: Convert to fraction form
    120,415,373.36/166,177,782.96 = 67,493,059.20/x
  3. Step 3: Cross multiply
    120,415,373.36x = 166,177,782.96 × 67,493,059.20
  4. Step 4: Simplify right side
    120,415,373.36x = 11,215,846,943,044,032
  5. Step 5: Solve for x
    x = 11,215,846,943,044,032/120,415,373.36
  6. Step 6: Final answer
    x = 93,142,981.91

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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.