Home / 154,080,467.90-231,120,701.85-51,810,515.90

Finding the Fourth Proportional to 154,080,467.90, 231,120,701.85 and 51,810,515.90

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Solution

The fourth proportional to 154,080,467.90, 231,120,701.85 and 51,810,515.90 is: 77,715,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,080,467.90 : 231,120,701.85 = 51,810,515.90 : x
  2. Step 2: Convert to fraction form
    154,080,467.90/231,120,701.85 = 51,810,515.90/x
  3. Step 3: Cross multiply
    154,080,467.90x = 231,120,701.85 × 51,810,515.90
  4. Step 4: Simplify right side
    154,080,467.90x = 11,974,482,798,018,584
  5. Step 5: Solve for x
    x = 11,974,482,798,018,584/154,080,467.90
  6. Step 6: Final answer
    x = 77,715,773.85

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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.