Home / 281,905,553.17-389,032,318.18-158,148,887.50

Finding the Fourth Proportional to 281,905,553.17, 389,032,318.18 and 158,148,887.50

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Solution

The fourth proportional to 281,905,553.17, 389,032,318.18 and 158,148,887.50 is: 218,246,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,905,553.17 : 389,032,318.18 = 158,148,887.50 : x
  2. Step 2: Convert to fraction form
    281,905,553.17/389,032,318.18 = 158,148,887.50/x
  3. Step 3: Cross multiply
    281,905,553.17x = 389,032,318.18 × 158,148,887.50
  4. Step 4: Simplify right side
    281,905,553.17x = 61,525,028,321,508,200
  5. Step 5: Solve for x
    x = 61,525,028,321,508,200/281,905,553.17
  6. Step 6: Final answer
    x = 218,246,954.09

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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.