Home / 120,907,680.54-181,254,141.45-47,114,375.10

Finding the Fourth Proportional to 120,907,680.54, 181,254,141.45 and 47,114,375.10

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Solution

The fourth proportional to 120,907,680.54, 181,254,141.45 and 47,114,375.10 is: 70,629,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,907,680.54 : 181,254,141.45 = 47,114,375.10 : x
  2. Step 2: Convert to fraction form
    120,907,680.54/181,254,141.45 = 47,114,375.10/x
  3. Step 3: Cross multiply
    120,907,680.54x = 181,254,141.45 × 47,114,375.10
  4. Step 4: Simplify right side
    120,907,680.54x = 8,539,675,608,703,758
  5. Step 5: Solve for x
    x = 8,539,675,608,703,758/120,907,680.54
  6. Step 6: Final answer
    x = 70,629,719.89

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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.