Home / 343,875,409.05-474,546,043.20-187,242,141

Finding the Fourth Proportional to 343,875,409.05, 474,546,043.20 and 187,242,141

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Solution

The fourth proportional to 343,875,409.05, 474,546,043.20 and 187,242,141 is: 258,393,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,875,409.05 : 474,546,043.20 = 187,242,141 : x
  2. Step 2: Convert to fraction form
    343,875,409.05/474,546,043.20 = 187,242,141/x
  3. Step 3: Cross multiply
    343,875,409.05x = 474,546,043.20 × 187,242,141
  4. Step 4: Simplify right side
    343,875,409.05x = 88,855,017,131,846,496
  5. Step 5: Solve for x
    x = 88,855,017,131,846,496/343,875,409.05
  6. Step 6: Final answer
    x = 258,393,053.98

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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.