Home / 228,682,719.48-315,584,145.90-124,260,790.26

Finding the Fourth Proportional to 228,682,719.48, 315,584,145.90 and 124,260,790.26

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Solution

The fourth proportional to 228,682,719.48, 315,584,145.90 and 124,260,790.26 is: 171,480,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,682,719.48 : 315,584,145.90 = 124,260,790.26 : x
  2. Step 2: Convert to fraction form
    228,682,719.48/315,584,145.90 = 124,260,790.26/x
  3. Step 3: Cross multiply
    228,682,719.48x = 315,584,145.90 × 124,260,790.26
  4. Step 4: Simplify right side
    228,682,719.48x = 39,214,735,363,061,136
  5. Step 5: Solve for x
    x = 39,214,735,363,061,136/228,682,719.48
  6. Step 6: Final answer
    x = 171,480,973.52

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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.