Home / 80,928,513.80-121,336,005.90-29,803,905.80

Finding the Fourth Proportional to 80,928,513.80, 121,336,005.90 and 29,803,905.80

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Solution

The fourth proportional to 80,928,513.80, 121,336,005.90 and 29,803,905.80 is: 44,684,953.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,928,513.80 : 121,336,005.90 = 29,803,905.80 : x
  2. Step 2: Convert to fraction form
    80,928,513.80/121,336,005.90 = 29,803,905.80/x
  3. Step 3: Cross multiply
    80,928,513.80x = 121,336,005.90 × 29,803,905.80
  4. Step 4: Simplify right side
    80,928,513.80x = 3,616,286,889,991,844.50
  5. Step 5: Solve for x
    x = 3,616,286,889,991,844.50/80,928,513.80
  6. Step 6: Final answer
    x = 44,684,953.67

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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.