Home / 187,079,786.20-280,300,814.70-159,657,430.60

Finding the Fourth Proportional to 187,079,786.20, 280,300,814.70 and 159,657,430.60

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Solution

The fourth proportional to 187,079,786.20, 280,300,814.70 and 159,657,430.60 is: 239,214,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,079,786.20 : 280,300,814.70 = 159,657,430.60 : x
  2. Step 2: Convert to fraction form
    187,079,786.20/280,300,814.70 = 159,657,430.60/x
  3. Step 3: Cross multiply
    187,079,786.20x = 280,300,814.70 × 159,657,430.60
  4. Step 4: Simplify right side
    187,079,786.20x = 44,752,107,870,088,704
  5. Step 5: Solve for x
    x = 44,752,107,870,088,704/187,079,786.20
  6. Step 6: Final answer
    x = 239,214,020.81

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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.