Home / 116,943,610.40-175,415,415.60-80,663,904.80

Finding the Fourth Proportional to 116,943,610.40, 175,415,415.60 and 80,663,904.80

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Solution

The fourth proportional to 116,943,610.40, 175,415,415.60 and 80,663,904.80 is: 120,995,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,943,610.40 : 175,415,415.60 = 80,663,904.80 : x
  2. Step 2: Convert to fraction form
    116,943,610.40/175,415,415.60 = 80,663,904.80/x
  3. Step 3: Cross multiply
    116,943,610.40x = 175,415,415.60 × 80,663,904.80
  4. Step 4: Simplify right side
    116,943,610.40x = 14,149,692,384,410,834
  5. Step 5: Solve for x
    x = 14,149,692,384,410,834/116,943,610.40
  6. Step 6: Final answer
    x = 120,995,857.20

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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.