Home / 214,335,303.72-321,097,287.90-126,634,549.48

Finding the Fourth Proportional to 214,335,303.72, 321,097,287.90 and 126,634,549.48

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Solution

The fourth proportional to 214,335,303.72, 321,097,287.90 and 126,634,549.48 is: 189,712,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,335,303.72 : 321,097,287.90 = 126,634,549.48 : x
  2. Step 2: Convert to fraction form
    214,335,303.72/321,097,287.90 = 126,634,549.48/x
  3. Step 3: Cross multiply
    214,335,303.72x = 321,097,287.90 × 126,634,549.48
  4. Step 4: Simplify right side
    214,335,303.72x = 40,662,010,392,466,352
  5. Step 5: Solve for x
    x = 40,662,010,392,466,352/214,335,303.72
  6. Step 6: Final answer
    x = 189,712,145.81

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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.