Home / 228,751,803.69-315,680,686.07-124,329,843.69

Finding the Fourth Proportional to 228,751,803.69, 315,680,686.07 and 124,329,843.69

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Solution

The fourth proportional to 228,751,803.69, 315,680,686.07 and 124,329,843.69 is: 171,576,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,751,803.69 : 315,680,686.07 = 124,329,843.69 : x
  2. Step 2: Convert to fraction form
    228,751,803.69/315,680,686.07 = 124,329,843.69/x
  3. Step 3: Cross multiply
    228,751,803.69x = 315,680,686.07 × 124,329,843.69
  4. Step 4: Simplify right side
    228,751,803.69x = 39,248,530,354,413,408
  5. Step 5: Solve for x
    x = 39,248,530,354,413,408/228,751,803.69
  6. Step 6: Final answer
    x = 171,576,921.89

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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.