Home / 81,431,747.23-112,376,563.51-44,262,114.93

Finding the Fourth Proportional to 81,431,747.23, 112,376,563.51 and 44,262,114.93

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Solution

The fourth proportional to 81,431,747.23, 112,376,563.51 and 44,262,114.93 is: 61,082,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,431,747.23 : 112,376,563.51 = 44,262,114.93 : x
  2. Step 2: Convert to fraction form
    81,431,747.23/112,376,563.51 = 44,262,114.93/x
  3. Step 3: Cross multiply
    81,431,747.23x = 112,376,563.51 × 44,262,114.93
  4. Step 4: Simplify right side
    81,431,747.23x = 4,974,024,369,994,805
  5. Step 5: Solve for x
    x = 4,974,024,369,994,805/81,431,747.23
  6. Step 6: Final answer
    x = 61,082,127.54

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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.