Home / 248,926,211.70-343,509,164.26-137,414,657.46

Finding the Fourth Proportional to 248,926,211.70, 343,509,164.26 and 137,414,657.46

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Solution

The fourth proportional to 248,926,211.70, 343,509,164.26 and 137,414,657.46 is: 189,627,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,926,211.70 : 343,509,164.26 = 137,414,657.46 : x
  2. Step 2: Convert to fraction form
    248,926,211.70/343,509,164.26 = 137,414,657.46/x
  3. Step 3: Cross multiply
    248,926,211.70x = 343,509,164.26 × 137,414,657.46
  4. Step 4: Simplify right side
    248,926,211.70x = 47,203,194,141,158,776
  5. Step 5: Solve for x
    x = 47,203,194,141,158,776/248,926,211.70
  6. Step 6: Final answer
    x = 189,627,254.67

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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.