Home / 126,271,482.78-189,415,777.77-44,380,405.02

Finding the Fourth Proportional to 126,271,482.78, 189,415,777.77 and 44,380,405.02

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Solution

The fourth proportional to 126,271,482.78, 189,415,777.77 and 44,380,405.02 is: 66,573,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,271,482.78 : 189,415,777.77 = 44,380,405.02 : x
  2. Step 2: Convert to fraction form
    126,271,482.78/189,415,777.77 = 44,380,405.02/x
  3. Step 3: Cross multiply
    126,271,482.78x = 189,415,777.77 × 44,380,405.02
  4. Step 4: Simplify right side
    126,271,482.78x = 8,406,348,934,610,914
  5. Step 5: Solve for x
    x = 8,406,348,934,610,914/126,271,482.78
  6. Step 6: Final answer
    x = 66,573,613.85

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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.