Home / 214,233,007.42-321,451,063.56-103,506,608.95

Finding the Fourth Proportional to 214,233,007.42, 321,451,063.56 and 103,506,608.95

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Solution

The fourth proportional to 214,233,007.42, 321,451,063.56 and 103,506,608.95 is: 155,308,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,233,007.42 : 321,451,063.56 = 103,506,608.95 : x
  2. Step 2: Convert to fraction form
    214,233,007.42/321,451,063.56 = 103,506,608.95/x
  3. Step 3: Cross multiply
    214,233,007.42x = 321,451,063.56 × 103,506,608.95
  4. Step 4: Simplify right side
    214,233,007.42x = 33,272,309,531,662,888
  5. Step 5: Solve for x
    x = 33,272,309,531,662,888/214,233,007.42
  6. Step 6: Final answer
    x = 155,308,978.45

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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.