Home / 142,136,977.80-213,205,466.70-51,260,566.80

Finding the Fourth Proportional to 142,136,977.80, 213,205,466.70 and 51,260,566.80

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Solution

The fourth proportional to 142,136,977.80, 213,205,466.70 and 51,260,566.80 is: 76,890,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,136,977.80 : 213,205,466.70 = 51,260,566.80 : x
  2. Step 2: Convert to fraction form
    142,136,977.80/213,205,466.70 = 51,260,566.80/x
  3. Step 3: Cross multiply
    142,136,977.80x = 213,205,466.70 × 51,260,566.80
  4. Step 4: Simplify right side
    142,136,977.80x = 10,929,033,067,900,524
  5. Step 5: Solve for x
    x = 10,929,033,067,900,524/142,136,977.80
  6. Step 6: Final answer
    x = 76,890,850.20

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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.