Home / 283,738,359.45-391,559,103.90-158,290,555.89

Finding the Fourth Proportional to 283,738,359.45, 391,559,103.90 and 158,290,555.89

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Solution

The fourth proportional to 283,738,359.45, 391,559,103.90 and 158,290,555.89 is: 218,441,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,738,359.45 : 391,559,103.90 = 158,290,555.89 : x
  2. Step 2: Convert to fraction form
    283,738,359.45/391,559,103.90 = 158,290,555.89/x
  3. Step 3: Cross multiply
    283,738,359.45x = 391,559,103.90 × 158,290,555.89
  4. Step 4: Simplify right side
    283,738,359.45x = 61,980,108,220,121,256
  5. Step 5: Solve for x
    x = 61,980,108,220,121,256/283,738,359.45
  6. Step 6: Final answer
    x = 218,441,060.77

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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.