Home / 281,026,647.01-387,857,358.50-161,926,437.41

Finding the Fourth Proportional to 281,026,647.01, 387,857,358.50 and 161,926,437.41

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Solution

The fourth proportional to 281,026,647.01, 387,857,358.50 and 161,926,437.41 is: 223,481,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,026,647.01 : 387,857,358.50 = 161,926,437.41 : x
  2. Step 2: Convert to fraction form
    281,026,647.01/387,857,358.50 = 161,926,437.41/x
  3. Step 3: Cross multiply
    281,026,647.01x = 387,857,358.50 × 161,926,437.41
  4. Step 4: Simplify right side
    281,026,647.01x = 62,804,360,285,158,184
  5. Step 5: Solve for x
    x = 62,804,360,285,158,184/281,026,647.01
  6. Step 6: Final answer
    x = 223,481,868.90

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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.