Home / 152,573,815.44-210,554,497.20-82,959,666.72

Finding the Fourth Proportional to 152,573,815.44, 210,554,497.20 and 82,959,666.72

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Solution

The fourth proportional to 152,573,815.44, 210,554,497.20 and 82,959,666.72 is: 114,485,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,573,815.44 : 210,554,497.20 = 82,959,666.72 : x
  2. Step 2: Convert to fraction form
    152,573,815.44/210,554,497.20 = 82,959,666.72/x
  3. Step 3: Cross multiply
    152,573,815.44x = 210,554,497.20 × 82,959,666.72
  4. Step 4: Simplify right side
    152,573,815.44x = 17,467,530,914,109,172
  5. Step 5: Solve for x
    x = 17,467,530,914,109,172/152,573,815.44
  6. Step 6: Final answer
    x = 114,485,771.12

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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.