Home / 122,166,908.70-183,250,363.05-100,643,548.20

Finding the Fourth Proportional to 122,166,908.70, 183,250,363.05 and 100,643,548.20

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Solution

The fourth proportional to 122,166,908.70, 183,250,363.05 and 100,643,548.20 is: 150,965,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,166,908.70 : 183,250,363.05 = 100,643,548.20 : x
  2. Step 2: Convert to fraction form
    122,166,908.70/183,250,363.05 = 100,643,548.20/x
  3. Step 3: Cross multiply
    122,166,908.70x = 183,250,363.05 × 100,643,548.20
  4. Step 4: Simplify right side
    122,166,908.70x = 18,442,966,746,290,176
  5. Step 5: Solve for x
    x = 18,442,966,746,290,176/122,166,908.70
  6. Step 6: Final answer
    x = 150,965,322.30

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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.