Home / 117,342,003.70-176,013,005.55-68,843,091.70

Finding the Fourth Proportional to 117,342,003.70, 176,013,005.55 and 68,843,091.70

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Solution

The fourth proportional to 117,342,003.70, 176,013,005.55 and 68,843,091.70 is: 103,264,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,342,003.70 : 176,013,005.55 = 68,843,091.70 : x
  2. Step 2: Convert to fraction form
    117,342,003.70/176,013,005.55 = 68,843,091.70/x
  3. Step 3: Cross multiply
    117,342,003.70x = 176,013,005.55 × 68,843,091.70
  4. Step 4: Simplify right side
    117,342,003.70x = 12,117,279,481,471,260
  5. Step 5: Solve for x
    x = 12,117,279,481,471,260/117,342,003.70
  6. Step 6: Final answer
    x = 103,264,637.55

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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.