Home / 138,559,712.37-191,204,623.26-75,835,682.53

Finding the Fourth Proportional to 138,559,712.37, 191,204,623.26 and 75,835,682.53

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Solution

The fourth proportional to 138,559,712.37, 191,204,623.26 and 75,835,682.53 is: 104,648,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,559,712.37 : 191,204,623.26 = 75,835,682.53 : x
  2. Step 2: Convert to fraction form
    138,559,712.37/191,204,623.26 = 75,835,682.53/x
  3. Step 3: Cross multiply
    138,559,712.37x = 191,204,623.26 × 75,835,682.53
  4. Step 4: Simplify right side
    138,559,712.37x = 14,500,133,107,548,700
  5. Step 5: Solve for x
    x = 14,500,133,107,548,700/138,559,712.37
  6. Step 6: Final answer
    x = 104,648,983.89

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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.