Home / 51,281,837.70-76,922,756.55-15,380,045.70

Finding the Fourth Proportional to 51,281,837.70, 76,922,756.55 and 15,380,045.70

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Solution

The fourth proportional to 51,281,837.70, 76,922,756.55 and 15,380,045.70 is: 23,070,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281,837.70 : 76,922,756.55 = 15,380,045.70 : x
  2. Step 2: Convert to fraction form
    51,281,837.70/76,922,756.55 = 15,380,045.70/x
  3. Step 3: Cross multiply
    51,281,837.70x = 76,922,756.55 × 15,380,045.70
  4. Step 4: Simplify right side
    51,281,837.70x = 1,183,075,511,108,974.25
  5. Step 5: Solve for x
    x = 1,183,075,511,108,974.25/51,281,837.70
  6. Step 6: Final answer
    x = 23,070,068.55

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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.