Home / 156,057,873.09-215,359,846.41-93,333,961.36

Finding the Fourth Proportional to 156,057,873.09, 215,359,846.41 and 93,333,961.36

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Solution

The fourth proportional to 156,057,873.09, 215,359,846.41 and 93,333,961.36 is: 128,800,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,057,873.09 : 215,359,846.41 = 93,333,961.36 : x
  2. Step 2: Convert to fraction form
    156,057,873.09/215,359,846.41 = 93,333,961.36/x
  3. Step 3: Cross multiply
    156,057,873.09x = 215,359,846.41 × 93,333,961.36
  4. Step 4: Simplify right side
    156,057,873.09x = 20,100,387,581,783,008
  5. Step 5: Solve for x
    x = 20,100,387,581,783,008/156,057,873.09
  6. Step 6: Final answer
    x = 128,800,855.63

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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.