Home / 438,717,007.52-658,068,868.32-106,727,143.42

Finding the Fourth Proportional to 438,717,007.52, 658,068,868.32 and 106,727,143.42

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Solution

The fourth proportional to 438,717,007.52, 658,068,868.32 and 106,727,143.42 is: 160,089,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,717,007.52 : 658,068,868.32 = 106,727,143.42 : x
  2. Step 2: Convert to fraction form
    438,717,007.52/658,068,868.32 = 106,727,143.42/x
  3. Step 3: Cross multiply
    438,717,007.52x = 658,068,868.32 × 106,727,143.42
  4. Step 4: Simplify right side
    438,717,007.52x = 70,233,810,489,848,088
  5. Step 5: Solve for x
    x = 70,233,810,489,848,088/438,717,007.52
  6. Step 6: Final answer
    x = 160,089,099.09

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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.