Home / 215,638,955.04-323,343,348.51-111,903,711.21

Finding the Fourth Proportional to 215,638,955.04, 323,343,348.51 and 111,903,711.21

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Solution

The fourth proportional to 215,638,955.04, 323,343,348.51 and 111,903,711.21 is: 167,795,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,638,955.04 : 323,343,348.51 = 111,903,711.21 : x
  2. Step 2: Convert to fraction form
    215,638,955.04/323,343,348.51 = 111,903,711.21/x
  3. Step 3: Cross multiply
    215,638,955.04x = 323,343,348.51 × 111,903,711.21
  4. Step 4: Simplify right side
    215,638,955.04x = 36,183,320,693,337,424
  5. Step 5: Solve for x
    x = 36,183,320,693,337,424/215,638,955.04
  6. Step 6: Final answer
    x = 167,795,845.08

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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.