Home / 313,516,533.77-470,264,149.78-80,349,535.27

Finding the Fourth Proportional to 313,516,533.77, 470,264,149.78 and 80,349,535.27

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Solution

The fourth proportional to 313,516,533.77, 470,264,149.78 and 80,349,535.27 is: 120,521,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,516,533.77 : 470,264,149.78 = 80,349,535.27 : x
  2. Step 2: Convert to fraction form
    313,516,533.77/470,264,149.78 = 80,349,535.27/x
  3. Step 3: Cross multiply
    313,516,533.77x = 470,264,149.78 × 80,349,535.27
  4. Step 4: Simplify right side
    313,516,533.77x = 37,785,505,887,874,320
  5. Step 5: Solve for x
    x = 37,785,505,887,874,320/313,516,533.77
  6. Step 6: Final answer
    x = 120,521,573.24

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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.