Home / 161,815,784.82-223,252,861.68-99,026,427.30

Finding the Fourth Proportional to 161,815,784.82, 223,252,861.68 and 99,026,427.30

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Solution

The fourth proportional to 161,815,784.82, 223,252,861.68 and 99,026,427.30 is: 136,624,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,815,784.82 : 223,252,861.68 = 99,026,427.30 : x
  2. Step 2: Convert to fraction form
    161,815,784.82/223,252,861.68 = 99,026,427.30/x
  3. Step 3: Cross multiply
    161,815,784.82x = 223,252,861.68 × 99,026,427.30
  4. Step 4: Simplify right side
    161,815,784.82x = 22,107,933,276,671,476
  5. Step 5: Solve for x
    x = 22,107,933,276,671,476/161,815,784.82
  6. Step 6: Final answer
    x = 136,624,083.38

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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.