Home / 68,152,533.75-102,228,800.63-20,283,477.75

Finding the Fourth Proportional to 68,152,533.75, 102,228,800.63 and 20,283,477.75

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Solution

The fourth proportional to 68,152,533.75, 102,228,800.63 and 20,283,477.75 is: 30,425,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,152,533.75 : 102,228,800.63 = 20,283,477.75 : x
  2. Step 2: Convert to fraction form
    68,152,533.75/102,228,800.63 = 20,283,477.75/x
  3. Step 3: Cross multiply
    68,152,533.75x = 102,228,800.63 × 20,283,477.75
  4. Step 4: Simplify right side
    68,152,533.75x = 2,073,555,602,886,373.50
  5. Step 5: Solve for x
    x = 2,073,555,602,886,373.50/68,152,533.75
  6. Step 6: Final answer
    x = 30,425,216.63

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Similar ratio
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1.5x scale

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.