Home / 212,898,576.64-293,787,966.72-120,073,544.32

Finding the Fourth Proportional to 212,898,576.64, 293,787,966.72 and 120,073,544.32

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Solution

The fourth proportional to 212,898,576.64, 293,787,966.72 and 120,073,544.32 is: 165,694,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,898,576.64 : 293,787,966.72 = 120,073,544.32 : x
  2. Step 2: Convert to fraction form
    212,898,576.64/293,787,966.72 = 120,073,544.32/x
  3. Step 3: Cross multiply
    212,898,576.64x = 293,787,966.72 × 120,073,544.32
  4. Step 4: Simplify right side
    212,898,576.64x = 35,276,162,442,636,608
  5. Step 5: Solve for x
    x = 35,276,162,442,636,608/212,898,576.64
  6. Step 6: Final answer
    x = 165,694,684.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.