Home / 304,905,637.53-420,768,910.31-165,676,362.39

Finding the Fourth Proportional to 304,905,637.53, 420,768,910.31 and 165,676,362.39

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Solution

The fourth proportional to 304,905,637.53, 420,768,910.31 and 165,676,362.39 is: 228,632,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,905,637.53 : 420,768,910.31 = 165,676,362.39 : x
  2. Step 2: Convert to fraction form
    304,905,637.53/420,768,910.31 = 165,676,362.39/x
  3. Step 3: Cross multiply
    304,905,637.53x = 420,768,910.31 × 165,676,362.39
  4. Step 4: Simplify right side
    304,905,637.53x = 69,711,462,466,136,584
  5. Step 5: Solve for x
    x = 69,711,462,466,136,584/304,905,637.53
  6. Step 6: Final answer
    x = 228,632,907.65

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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.