Home / 126,238,889.20-189,311,094.60-44,326,116.40

Finding the Fourth Proportional to 126,238,889.20, 189,311,094.60 and 44,326,116.40

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Solution

The fourth proportional to 126,238,889.20, 189,311,094.60 and 44,326,116.40 is: 66,472,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,238,889.20 : 189,311,094.60 = 44,326,116.40 : x
  2. Step 2: Convert to fraction form
    126,238,889.20/189,311,094.60 = 44,326,116.40/x
  3. Step 3: Cross multiply
    126,238,889.20x = 189,311,094.60 × 44,326,116.40
  4. Step 4: Simplify right side
    126,238,889.20x = 8,391,425,615,051,011
  5. Step 5: Solve for x
    x = 8,391,425,615,051,011/126,238,889.20
  6. Step 6: Final answer
    x = 66,472,587.55

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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.