Home / 129,362,667.20-194,044,000.80-61,338,219.20

Finding the Fourth Proportional to 129,362,667.20, 194,044,000.80 and 61,338,219.20

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Solution

The fourth proportional to 129,362,667.20, 194,044,000.80 and 61,338,219.20 is: 92,007,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,362,667.20 : 194,044,000.80 = 61,338,219.20 : x
  2. Step 2: Convert to fraction form
    129,362,667.20/194,044,000.80 = 61,338,219.20/x
  3. Step 3: Cross multiply
    129,362,667.20x = 194,044,000.80 × 61,338,219.20
  4. Step 4: Simplify right side
    129,362,667.20x = 11,902,313,455,515,376
  5. Step 5: Solve for x
    x = 11,902,313,455,515,376/129,362,667.20
  6. Step 6: Final answer
    x = 92,007,328.80

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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.