Home / 309,946,051.20-464,919,076.80-173,897,155.20

Finding the Fourth Proportional to 309,946,051.20, 464,919,076.80 and 173,897,155.20

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Solution

The fourth proportional to 309,946,051.20, 464,919,076.80 and 173,897,155.20 is: 260,845,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,946,051.20 : 464,919,076.80 = 173,897,155.20 : x
  2. Step 2: Convert to fraction form
    309,946,051.20/464,919,076.80 = 173,897,155.20/x
  3. Step 3: Cross multiply
    309,946,051.20x = 464,919,076.80 × 173,897,155.20
  4. Step 4: Simplify right side
    309,946,051.20x = 80,848,104,853,730,320
  5. Step 5: Solve for x
    x = 80,848,104,853,730,320/309,946,051.20
  6. Step 6: Final answer
    x = 260,845,732.80

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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.