Home / 147,914,216.82-221,689,607.40-83,081,739.06

Finding the Fourth Proportional to 147,914,216.82, 221,689,607.40 and 83,081,739.06

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Solution

The fourth proportional to 147,914,216.82, 221,689,607.40 and 83,081,739.06 is: 124,520,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,914,216.82 : 221,689,607.40 = 83,081,739.06 : x
  2. Step 2: Convert to fraction form
    147,914,216.82/221,689,607.40 = 83,081,739.06/x
  3. Step 3: Cross multiply
    147,914,216.82x = 221,689,607.40 × 83,081,739.06
  4. Step 4: Simplify right side
    147,914,216.82x = 18,418,358,114,320,648
  5. Step 5: Solve for x
    x = 18,418,358,114,320,648/147,914,216.82
  6. Step 6: Final answer
    x = 124,520,539.74

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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.