Home / 130,047,037.12-194,934,003.72-43,755,485.86

Finding the Fourth Proportional to 130,047,037.12, 194,934,003.72 and 43,755,485.86

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Solution

The fourth proportional to 130,047,037.12, 194,934,003.72 and 43,755,485.86 is: 65,587,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,047,037.12 : 194,934,003.72 = 43,755,485.86 : x
  2. Step 2: Convert to fraction form
    130,047,037.12/194,934,003.72 = 43,755,485.86/x
  3. Step 3: Cross multiply
    130,047,037.12x = 194,934,003.72 × 43,755,485.86
  4. Step 4: Simplify right side
    130,047,037.12x = 8,529,432,043,403,647
  5. Step 5: Solve for x
    x = 8,529,432,043,403,647/130,047,037.12
  6. Step 6: Final answer
    x = 65,587,284.66

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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.