Home / 51,509,900.70-77,264,851.05-15,603,443.10

Finding the Fourth Proportional to 51,509,900.70, 77,264,851.05 and 15,603,443.10

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Solution

The fourth proportional to 51,509,900.70, 77,264,851.05 and 15,603,443.10 is: 23,405,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,509,900.70 : 77,264,851.05 = 15,603,443.10 : x
  2. Step 2: Convert to fraction form
    51,509,900.70/77,264,851.05 = 15,603,443.10/x
  3. Step 3: Cross multiply
    51,509,900.70x = 77,264,851.05 × 15,603,443.10
  4. Step 4: Simplify right side
    51,509,900.70x = 1,205,597,706,988,650.25
  5. Step 5: Solve for x
    x = 1,205,597,706,988,650.25/51,509,900.70
  6. Step 6: Final answer
    x = 23,405,164.65

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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.