Home / 415,864,595.20-623,796,892.80-109,187,708.80

Finding the Fourth Proportional to 415,864,595.20, 623,796,892.80 and 109,187,708.80

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Solution

The fourth proportional to 415,864,595.20, 623,796,892.80 and 109,187,708.80 is: 163,781,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,864,595.20 : 623,796,892.80 = 109,187,708.80 : x
  2. Step 2: Convert to fraction form
    415,864,595.20/623,796,892.80 = 109,187,708.80/x
  3. Step 3: Cross multiply
    415,864,595.20x = 623,796,892.80 × 109,187,708.80
  4. Step 4: Simplify right side
    415,864,595.20x = 68,110,953,481,391,208
  5. Step 5: Solve for x
    x = 68,110,953,481,391,208/415,864,595.20
  6. Step 6: Final answer
    x = 163,781,563.20

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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.