Home / 126,597,337.04-189,899,949.36-43,598,237.60

Finding the Fourth Proportional to 126,597,337.04, 189,899,949.36 and 43,598,237.60

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Solution

The fourth proportional to 126,597,337.04, 189,899,949.36 and 43,598,237.60 is: 65,398,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,597,337.04 : 189,899,949.36 = 43,598,237.60 : x
  2. Step 2: Convert to fraction form
    126,597,337.04/189,899,949.36 = 43,598,237.60/x
  3. Step 3: Cross multiply
    126,597,337.04x = 189,899,949.36 × 43,598,237.60
  4. Step 4: Simplify right side
    126,597,337.04x = 8,279,303,112,425,249
  5. Step 5: Solve for x
    x = 8,279,303,112,425,249/126,597,337.04
  6. Step 6: Final answer
    x = 65,398,714.59

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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.