Home / 101,143,928-151,654,455.12-39,659,423.72

Finding the Fourth Proportional to 101,143,928, 151,654,455.12 and 39,659,423.72

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Solution

The fourth proportional to 101,143,928, 151,654,455.12 and 39,659,423.72 is: 59,465,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,928 : 151,654,455.12 = 39,659,423.72 : x
  2. Step 2: Convert to fraction form
    101,143,928/151,654,455.12 = 39,659,423.72/x
  3. Step 3: Cross multiply
    101,143,928x = 151,654,455.12 × 39,659,423.72
  4. Step 4: Simplify right side
    101,143,928x = 6,014,528,294,629,803
  5. Step 5: Solve for x
    x = 6,014,528,294,629,803/101,143,928
  6. Step 6: Final answer
    x = 59,465,045.64

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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.