Home / 76,610,717.20-114,916,075.80-67,044,779.20

Finding the Fourth Proportional to 76,610,717.20, 114,916,075.80 and 67,044,779.20

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Solution

The fourth proportional to 76,610,717.20, 114,916,075.80 and 67,044,779.20 is: 100,567,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,610,717.20 : 114,916,075.80 = 67,044,779.20 : x
  2. Step 2: Convert to fraction form
    76,610,717.20/114,916,075.80 = 67,044,779.20/x
  3. Step 3: Cross multiply
    76,610,717.20x = 114,916,075.80 × 67,044,779.20
  4. Step 4: Simplify right side
    76,610,717.20x = 7,704,522,928,541,464
  5. Step 5: Solve for x
    x = 7,704,522,928,541,464/76,610,717.20
  6. Step 6: Final answer
    x = 100,567,168.80

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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.