Home / 540,137,021.64-810,111,644.55-151,867,703.31

Finding the Fourth Proportional to 540,137,021.64, 810,111,644.55 and 151,867,703.31

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Solution

The fourth proportional to 540,137,021.64, 810,111,644.55 and 151,867,703.31 is: 227,775,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,137,021.64 : 810,111,644.55 = 151,867,703.31 : x
  2. Step 2: Convert to fraction form
    540,137,021.64/810,111,644.55 = 151,867,703.31/x
  3. Step 3: Cross multiply
    540,137,021.64x = 810,111,644.55 × 151,867,703.31
  4. Step 4: Simplify right side
    540,137,021.64x = 123,029,794,882,495,568
  5. Step 5: Solve for x
    x = 123,029,794,882,495,568/540,137,021.64
  6. Step 6: Final answer
    x = 227,775,156.96

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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.