Home / 139,234,772.46-192,147,186.24-76,514,769.84

Finding the Fourth Proportional to 139,234,772.46, 192,147,186.24 and 76,514,769.84

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Solution

The fourth proportional to 139,234,772.46, 192,147,186.24 and 76,514,769.84 is: 105,592,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,234,772.46 : 192,147,186.24 = 76,514,769.84 : x
  2. Step 2: Convert to fraction form
    139,234,772.46/192,147,186.24 = 76,514,769.84/x
  3. Step 3: Cross multiply
    139,234,772.46x = 192,147,186.24 × 76,514,769.84
  4. Step 4: Simplify right side
    139,234,772.46x = 14,702,097,730,557,216
  5. Step 5: Solve for x
    x = 14,702,097,730,557,216/139,234,772.46
  6. Step 6: Final answer
    x = 105,592,141.03

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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.