Home / 142,231,200.80-213,346,801.20-106,399,392.80

Finding the Fourth Proportional to 142,231,200.80, 213,346,801.20 and 106,399,392.80

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Solution

The fourth proportional to 142,231,200.80, 213,346,801.20 and 106,399,392.80 is: 159,599,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,231,200.80 : 213,346,801.20 = 106,399,392.80 : x
  2. Step 2: Convert to fraction form
    142,231,200.80/213,346,801.20 = 106,399,392.80/x
  3. Step 3: Cross multiply
    142,231,200.80x = 213,346,801.20 × 106,399,392.80
  4. Step 4: Simplify right side
    142,231,200.80x = 22,699,970,103,502,308
  5. Step 5: Solve for x
    x = 22,699,970,103,502,308/142,231,200.80
  6. Step 6: Final answer
    x = 159,599,089.20

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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.