Home / 214,502,632.80-321,886,918.80-112,339,989.60

Finding the Fourth Proportional to 214,502,632.80, 321,886,918.80 and 112,339,989.60

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Solution

The fourth proportional to 214,502,632.80, 321,886,918.80 and 112,339,989.60 is: 168,579,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,502,632.80 : 321,886,918.80 = 112,339,989.60 : x
  2. Step 2: Convert to fraction form
    214,502,632.80/321,886,918.80 = 112,339,989.60/x
  3. Step 3: Cross multiply
    214,502,632.80x = 321,886,918.80 × 112,339,989.60
  4. Step 4: Simplify right side
    214,502,632.80x = 36,160,773,110,368,040
  5. Step 5: Solve for x
    x = 36,160,773,110,368,040/214,502,632.80
  6. Step 6: Final answer
    x = 168,579,623.65

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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.