Home / 43,503,237.76-65,112,918.48-31,985,651.20

Finding the Fourth Proportional to 43,503,237.76, 65,112,918.48 and 31,985,651.20

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Solution

The fourth proportional to 43,503,237.76, 65,112,918.48 and 31,985,651.20 is: 47,874,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,503,237.76 : 65,112,918.48 = 31,985,651.20 : x
  2. Step 2: Convert to fraction form
    43,503,237.76/65,112,918.48 = 31,985,651.20/x
  3. Step 3: Cross multiply
    43,503,237.76x = 65,112,918.48 × 31,985,651.20
  4. Step 4: Simplify right side
    43,503,237.76x = 2,082,679,099,115,314
  5. Step 5: Solve for x
    x = 2,082,679,099,115,314/43,503,237.76
  6. Step 6: Final answer
    x = 47,874,117.11

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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.