Home / 188,037,089.12-281,907,292.98-118,803,964.05

Finding the Fourth Proportional to 188,037,089.12, 281,907,292.98 and 118,803,964.05

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Solution

The fourth proportional to 188,037,089.12, 281,907,292.98 and 118,803,964.05 is: 178,112,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,037,089.12 : 281,907,292.98 = 118,803,964.05 : x
  2. Step 2: Convert to fraction form
    188,037,089.12/281,907,292.98 = 118,803,964.05/x
  3. Step 3: Cross multiply
    188,037,089.12x = 281,907,292.98 × 118,803,964.05
  4. Step 4: Simplify right side
    188,037,089.12x = 33,491,703,901,073,060
  5. Step 5: Solve for x
    x = 33,491,703,901,073,060/188,037,089.12
  6. Step 6: Final answer
    x = 178,112,222.74

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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.