Home / 189,421,228.49-261,402,082.58-102,501,100.49

Finding the Fourth Proportional to 189,421,228.49, 261,402,082.58 and 102,501,100.49

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Solution

The fourth proportional to 189,421,228.49, 261,402,082.58 and 102,501,100.49 is: 141,451,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,421,228.49 : 261,402,082.58 = 102,501,100.49 : x
  2. Step 2: Convert to fraction form
    189,421,228.49/261,402,082.58 = 102,501,100.49/x
  3. Step 3: Cross multiply
    189,421,228.49x = 261,402,082.58 × 102,501,100.49
  4. Step 4: Simplify right side
    189,421,228.49x = 26,794,001,133,777,100
  5. Step 5: Solve for x
    x = 26,794,001,133,777,100/189,421,228.49
  6. Step 6: Final answer
    x = 141,451,944.68

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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.