Home / 209,544,187.80-314,457,999.30-117,427,747.80

Finding the Fourth Proportional to 209,544,187.80, 314,457,999.30 and 117,427,747.80

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Solution

The fourth proportional to 209,544,187.80, 314,457,999.30 and 117,427,747.80 is: 176,221,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,544,187.80 : 314,457,999.30 = 117,427,747.80 : x
  2. Step 2: Convert to fraction form
    209,544,187.80/314,457,999.30 = 117,427,747.80/x
  3. Step 3: Cross multiply
    209,544,187.80x = 314,457,999.30 × 117,427,747.80
  4. Step 4: Simplify right side
    209,544,187.80x = 36,926,094,635,492,976
  5. Step 5: Solve for x
    x = 36,926,094,635,492,976/209,544,187.80
  6. Step 6: Final answer
    x = 176,221,039.69

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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.