Home / 235,008,010.80-352,512,016.20-208,806,001.20

Finding the Fourth Proportional to 235,008,010.80, 352,512,016.20 and 208,806,001.20

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Solution

The fourth proportional to 235,008,010.80, 352,512,016.20 and 208,806,001.20 is: 313,209,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,008,010.80 : 352,512,016.20 = 208,806,001.20 : x
  2. Step 2: Convert to fraction form
    235,008,010.80/352,512,016.20 = 208,806,001.20/x
  3. Step 3: Cross multiply
    235,008,010.80x = 352,512,016.20 × 208,806,001.20
  4. Step 4: Simplify right side
    235,008,010.80x = 73,606,624,477,671,616
  5. Step 5: Solve for x
    x = 73,606,624,477,671,616/235,008,010.80
  6. Step 6: Final answer
    x = 313,209,001.80

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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.