Home / 212,784,842.16-319,177,263.60-164,333,366.64

Finding the Fourth Proportional to 212,784,842.16, 319,177,263.60 and 164,333,366.64

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Solution

The fourth proportional to 212,784,842.16, 319,177,263.60 and 164,333,366.64 is: 246,500,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,784,842.16 : 319,177,263.60 = 164,333,366.64 : x
  2. Step 2: Convert to fraction form
    212,784,842.16/319,177,263.60 = 164,333,366.64/x
  3. Step 3: Cross multiply
    212,784,842.16x = 319,177,263.60 × 164,333,366.64
  4. Step 4: Simplify right side
    212,784,842.16x = 52,451,474,282,330,728
  5. Step 5: Solve for x
    x = 52,451,474,282,330,728/212,784,842.16
  6. Step 6: Final answer
    x = 246,500,050.24

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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.