Home / 285,898,944.60-427,766,221.26-169,376,857.92

Finding the Fourth Proportional to 285,898,944.60, 427,766,221.26 and 169,376,857.92

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Solution

The fourth proportional to 285,898,944.60, 427,766,221.26 and 169,376,857.92 is: 253,424,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,898,944.60 : 427,766,221.26 = 169,376,857.92 : x
  2. Step 2: Convert to fraction form
    285,898,944.60/427,766,221.26 = 169,376,857.92/x
  3. Step 3: Cross multiply
    285,898,944.60x = 427,766,221.26 × 169,376,857.92
  4. Step 4: Simplify right side
    285,898,944.60x = 72,453,698,481,330,304
  5. Step 5: Solve for x
    x = 72,453,698,481,330,304/285,898,944.60
  6. Step 6: Final answer
    x = 253,424,155.11

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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.