Home / 254,670,666.10-382,005,999.15-82,153,107.70

Finding the Fourth Proportional to 254,670,666.10, 382,005,999.15 and 82,153,107.70

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Solution

The fourth proportional to 254,670,666.10, 382,005,999.15 and 82,153,107.70 is: 123,229,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,670,666.10 : 382,005,999.15 = 82,153,107.70 : x
  2. Step 2: Convert to fraction form
    254,670,666.10/382,005,999.15 = 82,153,107.70/x
  3. Step 3: Cross multiply
    254,670,666.10x = 382,005,999.15 × 82,153,107.70
  4. Step 4: Simplify right side
    254,670,666.10x = 31,382,979,990,216,056
  5. Step 5: Solve for x
    x = 31,382,979,990,216,056/254,670,666.10
  6. Step 6: Final answer
    x = 123,229,661.55

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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.