Home / 214,335,159.30-321,097,071.51-126,634,405.14

Finding the Fourth Proportional to 214,335,159.30, 321,097,071.51 and 126,634,405.14

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Solution

The fourth proportional to 214,335,159.30, 321,097,071.51 and 126,634,405.14 is: 189,711,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,335,159.30 : 321,097,071.51 = 126,634,405.14 : x
  2. Step 2: Convert to fraction form
    214,335,159.30/321,097,071.51 = 126,634,405.14/x
  3. Step 3: Cross multiply
    214,335,159.30x = 321,097,071.51 × 126,634,405.14
  4. Step 4: Simplify right side
    214,335,159.30x = 40,661,936,642,864,888
  5. Step 5: Solve for x
    x = 40,661,936,642,864,888/214,335,159.30
  6. Step 6: Final answer
    x = 189,711,929.56

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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.