Home / 126,271,483.78-189,415,779.27-44,380,406.02

Finding the Fourth Proportional to 126,271,483.78, 189,415,779.27 and 44,380,406.02

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Solution

The fourth proportional to 126,271,483.78, 189,415,779.27 and 44,380,406.02 is: 66,573,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,271,483.78 : 189,415,779.27 = 44,380,406.02 : x
  2. Step 2: Convert to fraction form
    126,271,483.78/189,415,779.27 = 44,380,406.02/x
  3. Step 3: Cross multiply
    126,271,483.78x = 189,415,779.27 × 44,380,406.02
  4. Step 4: Simplify right side
    126,271,483.78x = 8,406,349,190,597,300
  5. Step 5: Solve for x
    x = 8,406,349,190,597,300/126,271,483.78
  6. Step 6: Final answer
    x = 66,573,615.35

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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.