Home / 144,319,882.02-199,162,997.88-84,783,687.67

Finding the Fourth Proportional to 144,319,882.02, 199,162,997.88 and 84,783,687.67

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Solution

The fourth proportional to 144,319,882.02, 199,162,997.88 and 84,783,687.67 is: 117,002,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,319,882.02 : 199,162,997.88 = 84,783,687.67 : x
  2. Step 2: Convert to fraction form
    144,319,882.02/199,162,997.88 = 84,783,687.67/x
  3. Step 3: Cross multiply
    144,319,882.02x = 199,162,997.88 × 84,783,687.67
  4. Step 4: Simplify right side
    144,319,882.02x = 16,885,773,407,678,792
  5. Step 5: Solve for x
    x = 16,885,773,407,678,792/144,319,882.02
  6. Step 6: Final answer
    x = 117,002,405.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.