Home / 99,728,383.20-149,592,574.80-88,978,840.80

Finding the Fourth Proportional to 99,728,383.20, 149,592,574.80 and 88,978,840.80

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Solution

The fourth proportional to 99,728,383.20, 149,592,574.80 and 88,978,840.80 is: 133,468,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,728,383.20 : 149,592,574.80 = 88,978,840.80 : x
  2. Step 2: Convert to fraction form
    99,728,383.20/149,592,574.80 = 88,978,840.80/x
  3. Step 3: Cross multiply
    99,728,383.20x = 149,592,574.80 × 88,978,840.80
  4. Step 4: Simplify right side
    99,728,383.20x = 13,310,573,897,991,292
  5. Step 5: Solve for x
    x = 13,310,573,897,991,292/99,728,383.20
  6. Step 6: Final answer
    x = 133,468,261.20

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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.