Home / 130,099,098.56-179,536,252.64-80,529,592

Finding the Fourth Proportional to 130,099,098.56, 179,536,252.64 and 80,529,592

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Solution

The fourth proportional to 130,099,098.56, 179,536,252.64 and 80,529,592 is: 111,130,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,099,098.56 : 179,536,252.64 = 80,529,592 : x
  2. Step 2: Convert to fraction form
    130,099,098.56/179,536,252.64 = 80,529,592/x
  3. Step 3: Cross multiply
    130,099,098.56x = 179,536,252.64 × 80,529,592
  4. Step 4: Simplify right side
    130,099,098.56x = 14,457,981,174,308,122
  5. Step 5: Solve for x
    x = 14,457,981,174,308,122/130,099,098.56
  6. Step 6: Final answer
    x = 111,130,525.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.