Home / 61,631,995.20-92,447,992.80-31,398,907.20

Finding the Fourth Proportional to 61,631,995.20, 92,447,992.80 and 31,398,907.20

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Solution

The fourth proportional to 61,631,995.20, 92,447,992.80 and 31,398,907.20 is: 47,098,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,631,995.20 : 92,447,992.80 = 31,398,907.20 : x
  2. Step 2: Convert to fraction form
    61,631,995.20/92,447,992.80 = 31,398,907.20/x
  3. Step 3: Cross multiply
    61,631,995.20x = 92,447,992.80 × 31,398,907.20
  4. Step 4: Simplify right side
    61,631,995.20x = 2,902,765,946,753,468
  5. Step 5: Solve for x
    x = 2,902,765,946,753,468/61,631,995.20
  6. Step 6: Final answer
    x = 47,098,360.80

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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.