Home / 143,188,921.13-214,781,255.01-39,555,834.81

Finding the Fourth Proportional to 143,188,921.13, 214,781,255.01 and 39,555,834.81

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Solution

The fourth proportional to 143,188,921.13, 214,781,255.01 and 39,555,834.81 is: 59,333,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,188,921.13 : 214,781,255.01 = 39,555,834.81 : x
  2. Step 2: Convert to fraction form
    143,188,921.13/214,781,255.01 = 39,555,834.81/x
  3. Step 3: Cross multiply
    143,188,921.13x = 214,781,255.01 × 39,555,834.81
  4. Step 4: Simplify right side
    143,188,921.13x = 8,495,851,843,460,045
  5. Step 5: Solve for x
    x = 8,495,851,843,460,045/143,188,921.13
  6. Step 6: Final answer
    x = 59,333,164.72

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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.