Home / 145,151,914.12-200,309,553.16-79,961,818.12

Finding the Fourth Proportional to 145,151,914.12, 200,309,553.16 and 79,961,818.12

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Solution

The fourth proportional to 145,151,914.12, 200,309,553.16 and 79,961,818.12 is: 110,347,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,151,914.12 : 200,309,553.16 = 79,961,818.12 : x
  2. Step 2: Convert to fraction form
    145,151,914.12/200,309,553.16 = 79,961,818.12/x
  3. Step 3: Cross multiply
    145,151,914.12x = 200,309,553.16 × 79,961,818.12
  4. Step 4: Simplify right side
    145,151,914.12x = 16,017,116,057,478,392
  5. Step 5: Solve for x
    x = 16,017,116,057,478,392/145,151,914.12
  6. Step 6: Final answer
    x = 110,347,260.35

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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.