Home / 209,123,952.08-288,599,016.48-116,311,171.28

Finding the Fourth Proportional to 209,123,952.08, 288,599,016.48 and 116,311,171.28

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Solution

The fourth proportional to 209,123,952.08, 288,599,016.48 and 116,311,171.28 is: 160,513,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,123,952.08 : 288,599,016.48 = 116,311,171.28 : x
  2. Step 2: Convert to fraction form
    209,123,952.08/288,599,016.48 = 116,311,171.28/x
  3. Step 3: Cross multiply
    209,123,952.08x = 288,599,016.48 × 116,311,171.28
  4. Step 4: Simplify right side
    209,123,952.08x = 33,567,289,637,044,824
  5. Step 5: Solve for x
    x = 33,567,289,637,044,824/209,123,952.08
  6. Step 6: Final answer
    x = 160,513,845.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.