Home / 90,859,362.92-125,385,266.27-49,606,255.16

Finding the Fourth Proportional to 90,859,362.92, 125,385,266.27 and 49,606,255.16

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Solution

The fourth proportional to 90,859,362.92, 125,385,266.27 and 49,606,255.16 is: 68,456,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,859,362.92 : 125,385,266.27 = 49,606,255.16 : x
  2. Step 2: Convert to fraction form
    90,859,362.92/125,385,266.27 = 49,606,255.16/x
  3. Step 3: Cross multiply
    90,859,362.92x = 125,385,266.27 × 49,606,255.16
  4. Step 4: Simplify right side
    90,859,362.92x = 6,219,893,511,894,161
  5. Step 5: Solve for x
    x = 6,219,893,511,894,161/90,859,362.92
  6. Step 6: Final answer
    x = 68,456,274.75

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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.