Home / 45,189,619.20-67,784,428.80-14,484,139.20

Finding the Fourth Proportional to 45,189,619.20, 67,784,428.80 and 14,484,139.20

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Solution

The fourth proportional to 45,189,619.20, 67,784,428.80 and 14,484,139.20 is: 21,726,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,189,619.20 : 67,784,428.80 = 14,484,139.20 : x
  2. Step 2: Convert to fraction form
    45,189,619.20/67,784,428.80 = 14,484,139.20/x
  3. Step 3: Cross multiply
    45,189,619.20x = 67,784,428.80 × 14,484,139.20
  4. Step 4: Simplify right side
    45,189,619.20x = 981,799,102,331,688.88
  5. Step 5: Solve for x
    x = 981,799,102,331,688.88/45,189,619.20
  6. Step 6: Final answer
    x = 21,726,208.80

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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.