Home / 49,029,830.10-67,656,158.48-30,188,420.10

Finding the Fourth Proportional to 49,029,830.10, 67,656,158.48 and 30,188,420.10

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Solution

The fourth proportional to 49,029,830.10, 67,656,158.48 and 30,188,420.10 is: 41,656,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,029,830.10 : 67,656,158.48 = 30,188,420.10 : x
  2. Step 2: Convert to fraction form
    49,029,830.10/67,656,158.48 = 30,188,420.10/x
  3. Step 3: Cross multiply
    49,029,830.10x = 67,656,158.48 × 30,188,420.10
  4. Step 4: Simplify right side
    49,029,830.10x = 2,042,432,534,621,888.75
  5. Step 5: Solve for x
    x = 2,042,432,534,621,888.75/49,029,830.10
  6. Step 6: Final answer
    x = 41,656,936.82

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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.