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Finding the Fourth Proportional to 123,584,604.80, 185,376,907.20 and 32,717,379.20

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Solution

The fourth proportional to 123,584,604.80, 185,376,907.20 and 32,717,379.20 is: 49,076,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,584,604.80 : 185,376,907.20 = 32,717,379.20 : x
  2. Step 2: Convert to fraction form
    123,584,604.80/185,376,907.20 = 32,717,379.20/x
  3. Step 3: Cross multiply
    123,584,604.80x = 185,376,907.20 × 32,717,379.20
  4. Step 4: Simplify right side
    123,584,604.80x = 6,065,046,567,785,610
  5. Step 5: Solve for x
    x = 6,065,046,567,785,610/123,584,604.80
  6. Step 6: Final answer
    x = 49,076,068.80

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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.