Home / 149,467,887.18-206,265,813.55-83,388,398.88

Finding the Fourth Proportional to 149,467,887.18, 206,265,813.55 and 83,388,398.88

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Solution

The fourth proportional to 149,467,887.18, 206,265,813.55 and 83,388,398.88 is: 115,076,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,467,887.18 : 206,265,813.55 = 83,388,398.88 : x
  2. Step 2: Convert to fraction form
    149,467,887.18/206,265,813.55 = 83,388,398.88/x
  3. Step 3: Cross multiply
    149,467,887.18x = 206,265,813.55 × 83,388,398.88
  4. Step 4: Simplify right side
    149,467,887.18x = 17,200,175,935,833,602
  5. Step 5: Solve for x
    x = 17,200,175,935,833,602/149,467,887.18
  6. Step 6: Final answer
    x = 115,076,062.56

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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.