Home / 228,782,032.38-315,719,408.12-124,360,103.70

Finding the Fourth Proportional to 228,782,032.38, 315,719,408.12 and 124,360,103.70

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Solution

The fourth proportional to 228,782,032.38, 315,719,408.12 and 124,360,103.70 is: 171,617,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,782,032.38 : 315,719,408.12 = 124,360,103.70 : x
  2. Step 2: Convert to fraction form
    228,782,032.38/315,719,408.12 = 124,360,103.70/x
  3. Step 3: Cross multiply
    228,782,032.38x = 315,719,408.12 × 124,360,103.70
  4. Step 4: Simplify right side
    228,782,032.38x = 39,262,898,333,284,024
  5. Step 5: Solve for x
    x = 39,262,898,333,284,024/228,782,032.38
  6. Step 6: Final answer
    x = 171,617,053.69

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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.