Home / 145,561,760.37-218,447,994.42-56,943,402.57

Finding the Fourth Proportional to 145,561,760.37, 218,447,994.42 and 56,943,402.57

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Solution

The fourth proportional to 145,561,760.37, 218,447,994.42 and 56,943,402.57 is: 85,456,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,561,760.37 : 218,447,994.42 = 56,943,402.57 : x
  2. Step 2: Convert to fraction form
    145,561,760.37/218,447,994.42 = 56,943,402.57/x
  3. Step 3: Cross multiply
    145,561,760.37x = 218,447,994.42 × 56,943,402.57
  4. Step 4: Simplify right side
    145,561,760.37x = 12,439,172,086,867,172
  5. Step 5: Solve for x
    x = 12,439,172,086,867,172/145,561,760.37
  6. Step 6: Final answer
    x = 85,456,318.03

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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.