Home / 342,554,721.03-472,725,745.31-185,921,830.24

Finding the Fourth Proportional to 342,554,721.03, 472,725,745.31 and 185,921,830.24

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Solution

The fourth proportional to 342,554,721.03, 472,725,745.31 and 185,921,830.24 is: 256,572,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,554,721.03 : 472,725,745.31 = 185,921,830.24 : x
  2. Step 2: Convert to fraction form
    342,554,721.03/472,725,745.31 = 185,921,830.24/x
  3. Step 3: Cross multiply
    342,554,721.03x = 472,725,745.31 × 185,921,830.24
  4. Step 4: Simplify right side
    342,554,721.03x = 87,890,035,768,886,288
  5. Step 5: Solve for x
    x = 87,890,035,768,886,288/342,554,721.03
  6. Step 6: Final answer
    x = 256,572,250.72

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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.