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Finding the Fourth Proportional to 195,481,463.80, 293,285,978.58 and 93,232,215.16

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Solution

The fourth proportional to 195,481,463.80, 293,285,978.58 and 93,232,215.16 is: 139,878,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,481,463.80 : 293,285,978.58 = 93,232,215.16 : x
  2. Step 2: Convert to fraction form
    195,481,463.80/293,285,978.58 = 93,232,215.16/x
  3. Step 3: Cross multiply
    195,481,463.80x = 293,285,978.58 × 93,232,215.16
  4. Step 4: Simplify right side
    195,481,463.80x = 27,343,701,458,381,708
  5. Step 5: Solve for x
    x = 27,343,701,458,381,708/195,481,463.80
  6. Step 6: Final answer
    x = 139,878,743.11

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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.