Home / 81,431,747.48-112,376,563.86-44,262,115.19

Finding the Fourth Proportional to 81,431,747.48, 112,376,563.86 and 44,262,115.19

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Solution

The fourth proportional to 81,431,747.48, 112,376,563.86 and 44,262,115.19 is: 61,082,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,431,747.48 : 112,376,563.86 = 44,262,115.19 : x
  2. Step 2: Convert to fraction form
    81,431,747.48/112,376,563.86 = 44,262,115.19/x
  3. Step 3: Cross multiply
    81,431,747.48x = 112,376,563.86 × 44,262,115.19
  4. Step 4: Simplify right side
    81,431,747.48x = 4,974,024,413,555,173
  5. Step 5: Solve for x
    x = 4,974,024,413,555,173/81,431,747.48
  6. Step 6: Final answer
    x = 61,082,127.89

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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.