Home / 102,036,762,006.80-153,055,143,010.20-91,751,465,469.20

Finding the Fourth Proportional to 102,036,762,006.80, 153,055,143,010.20 and 91,751,465,469.20

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Solution

The fourth proportional to 102,036,762,006.80, 153,055,143,010.20 and 91,751,465,469.20 is: 137,627,198,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,036,762,006.80 : 153,055,143,010.20 = 91,751,465,469.20 : x
  2. Step 2: Convert to fraction form
    102,036,762,006.80/153,055,143,010.20 = 91,751,465,469.20/x
  3. Step 3: Cross multiply
    102,036,762,006.80x = 153,055,143,010.20 × 91,751,465,469.20
  4. Step 4: Simplify right side
    102,036,762,006.80x = 14,043,033,668,783,834,136,576
  5. Step 5: Solve for x
    x = 14,043,033,668,783,834,136,576/102,036,762,006.80
  6. Step 6: Final answer
    x = 137,627,198,203.80

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1.5x scale

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.