Home / 99,168,472-148,753,051.92-30,081,867.36

Finding the Fourth Proportional to 99,168,472, 148,753,051.92 and 30,081,867.36

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Solution

The fourth proportional to 99,168,472, 148,753,051.92 and 30,081,867.36 is: 45,122,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168,472 : 148,753,051.92 = 30,081,867.36 : x
  2. Step 2: Convert to fraction form
    99,168,472/148,753,051.92 = 30,081,867.36/x
  3. Step 3: Cross multiply
    99,168,472x = 148,753,051.92 × 30,081,867.36
  4. Step 4: Simplify right side
    99,168,472x = 4,474,769,577,252,633
  5. Step 5: Solve for x
    x = 4,474,769,577,252,633/99,168,472
  6. Step 6: Final answer
    x = 45,122,905.37

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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.