Home / 209,301,209.64-288,832,849.92-116,481,692.88

Finding the Fourth Proportional to 209,301,209.64, 288,832,849.92 and 116,481,692.88

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Solution

The fourth proportional to 209,301,209.64, 288,832,849.92 and 116,481,692.88 is: 160,743,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,301,209.64 : 288,832,849.92 = 116,481,692.88 : x
  2. Step 2: Convert to fraction form
    209,301,209.64/288,832,849.92 = 116,481,692.88/x
  3. Step 3: Cross multiply
    209,301,209.64x = 288,832,849.92 × 116,481,692.88
  4. Step 4: Simplify right side
    209,301,209.64x = 33,643,739,318,036,572
  5. Step 5: Solve for x
    x = 33,643,739,318,036,572/209,301,209.64
  6. Step 6: Final answer
    x = 160,743,167.11

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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.