Home / 131,868,920.48-197,824,890.22-54,124,959.36

Finding the Fourth Proportional to 131,868,920.48, 197,824,890.22 and 54,124,959.36

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Solution

The fourth proportional to 131,868,920.48, 197,824,890.22 and 54,124,959.36 is: 81,196,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,920.48 : 197,824,890.22 = 54,124,959.36 : x
  2. Step 2: Convert to fraction form
    131,868,920.48/197,824,890.22 = 54,124,959.36/x
  3. Step 3: Cross multiply
    131,868,920.48x = 197,824,890.22 × 54,124,959.36
  4. Step 4: Simplify right side
    131,868,920.48x = 10,707,264,143,553,962
  5. Step 5: Solve for x
    x = 10,707,264,143,553,962/131,868,920.48
  6. Step 6: Final answer
    x = 81,196,267.51

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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.