Home / 438,717,015.78-658,068,880.68-106,727,151.66

Finding the Fourth Proportional to 438,717,015.78, 658,068,880.68 and 106,727,151.66

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Solution

The fourth proportional to 438,717,015.78, 658,068,880.68 and 106,727,151.66 is: 160,089,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,717,015.78 : 658,068,880.68 = 106,727,151.66 : x
  2. Step 2: Convert to fraction form
    438,717,015.78/658,068,880.68 = 106,727,151.66/x
  3. Step 3: Cross multiply
    438,717,015.78x = 658,068,880.68 × 106,727,151.66
  4. Step 4: Simplify right side
    438,717,015.78x = 70,233,817,231,060,792
  5. Step 5: Solve for x
    x = 70,233,817,231,060,792/438,717,015.78
  6. Step 6: Final answer
    x = 160,089,111.44

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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.