Home / 205,125,216.90-307,687,825.35-61,518,048.90

Finding the Fourth Proportional to 205,125,216.90, 307,687,825.35 and 61,518,048.90

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Solution

The fourth proportional to 205,125,216.90, 307,687,825.35 and 61,518,048.90 is: 92,277,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,125,216.90 : 307,687,825.35 = 61,518,048.90 : x
  2. Step 2: Convert to fraction form
    205,125,216.90/307,687,825.35 = 61,518,048.90/x
  3. Step 3: Cross multiply
    205,125,216.90x = 307,687,825.35 × 61,518,048.90
  4. Step 4: Simplify right side
    205,125,216.90x = 18,928,354,685,815,960
  5. Step 5: Solve for x
    x = 18,928,354,685,815,960/205,125,216.90
  6. Step 6: Final answer
    x = 92,277,073.35

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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.