Home / 99,359,162.51-149,060,972.23-30,277,372.68

Finding the Fourth Proportional to 99,359,162.51, 149,060,972.23 and 30,277,372.68

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Solution

The fourth proportional to 99,359,162.51, 149,060,972.23 and 30,277,372.68 is: 45,422,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,359,162.51 : 149,060,972.23 = 30,277,372.68 : x
  2. Step 2: Convert to fraction form
    99,359,162.51/149,060,972.23 = 30,277,372.68/x
  3. Step 3: Cross multiply
    99,359,162.51x = 149,060,972.23 × 30,277,372.68
  4. Step 4: Simplify right side
    99,359,162.51x = 4,513,174,608,250,840
  5. Step 5: Solve for x
    x = 4,513,174,608,250,840/99,359,162.51
  6. Step 6: Final answer
    x = 45,422,832.62

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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.