Home / 120,880,276.60-181,320,414.90-102,173,553.40

Finding the Fourth Proportional to 120,880,276.60, 181,320,414.90 and 102,173,553.40

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Solution

The fourth proportional to 120,880,276.60, 181,320,414.90 and 102,173,553.40 is: 153,260,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,880,276.60 : 181,320,414.90 = 102,173,553.40 : x
  2. Step 2: Convert to fraction form
    120,880,276.60/181,320,414.90 = 102,173,553.40/x
  3. Step 3: Cross multiply
    120,880,276.60x = 181,320,414.90 × 102,173,553.40
  4. Step 4: Simplify right side
    120,880,276.60x = 18,526,151,094,295,308
  5. Step 5: Solve for x
    x = 18,526,151,094,295,308/120,880,276.60
  6. Step 6: Final answer
    x = 153,260,330.10

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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.