Home / 144,012,997.56-215,932,018.65-56,469,636.12

Finding the Fourth Proportional to 144,012,997.56, 215,932,018.65 and 56,469,636.12

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Solution

The fourth proportional to 144,012,997.56, 215,932,018.65 and 56,469,636.12 is: 84,670,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,012,997.56 : 215,932,018.65 = 56,469,636.12 : x
  2. Step 2: Convert to fraction form
    144,012,997.56/215,932,018.65 = 56,469,636.12/x
  3. Step 3: Cross multiply
    144,012,997.56x = 215,932,018.65 × 56,469,636.12
  4. Step 4: Simplify right side
    144,012,997.56x = 12,193,602,519,822,554
  5. Step 5: Solve for x
    x = 12,193,602,519,822,554/144,012,997.56
  6. Step 6: Final answer
    x = 84,670,152.88

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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.