Home / 255,542,665.60-383,313,998.40-83,025,107.20

Finding the Fourth Proportional to 255,542,665.60, 383,313,998.40 and 83,025,107.20

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Solution

The fourth proportional to 255,542,665.60, 383,313,998.40 and 83,025,107.20 is: 124,537,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,542,665.60 : 383,313,998.40 = 83,025,107.20 : x
  2. Step 2: Convert to fraction form
    255,542,665.60/383,313,998.40 = 83,025,107.20/x
  3. Step 3: Cross multiply
    255,542,665.60x = 383,313,998.40 × 83,025,107.20
  4. Step 4: Simplify right side
    255,542,665.60x = 31,824,685,808,420,628
  5. Step 5: Solve for x
    x = 31,824,685,808,420,628/255,542,665.60
  6. Step 6: Final answer
    x = 124,537,660.80

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1.5x scale

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.