Home / 100,749,178.81-151,123,260.95-39,344,572.96

Finding the Fourth Proportional to 100,749,178.81, 151,123,260.95 and 39,344,572.96

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Solution

The fourth proportional to 100,749,178.81, 151,123,260.95 and 39,344,572.96 is: 59,016,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,749,178.81 : 151,123,260.95 = 39,344,572.96 : x
  2. Step 2: Convert to fraction form
    100,749,178.81/151,123,260.95 = 39,344,572.96/x
  3. Step 3: Cross multiply
    100,749,178.81x = 151,123,260.95 × 39,344,572.96
  4. Step 4: Simplify right side
    100,749,178.81x = 5,945,880,165,644,777
  5. Step 5: Solve for x
    x = 5,945,880,165,644,777/100,749,178.81
  6. Step 6: Final answer
    x = 59,016,661.34

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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.