Home / 142,591,747,338.80-213,887,621,008.20-127,714,800,561.20

Finding the Fourth Proportional to 142,591,747,338.80, 213,887,621,008.20 and 127,714,800,561.20

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Solution

The fourth proportional to 142,591,747,338.80, 213,887,621,008.20 and 127,714,800,561.20 is: 191,572,200,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,591,747,338.80 : 213,887,621,008.20 = 127,714,800,561.20 : x
  2. Step 2: Convert to fraction form
    142,591,747,338.80/213,887,621,008.20 = 127,714,800,561.20/x
  3. Step 3: Cross multiply
    142,591,747,338.80x = 213,887,621,008.20 × 127,714,800,561.20
  4. Step 4: Simplify right side
    142,591,747,338.80x = 27,316,614,859,571,796,639,744
  5. Step 5: Solve for x
    x = 27,316,614,859,571,796,639,744/142,591,747,338.80
  6. Step 6: Final answer
    x = 191,572,200,841.80

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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.