Home / 78,716,110.70-118,096,284.45-38,327,912.30

Finding the Fourth Proportional to 78,716,110.70, 118,096,284.45 and 38,327,912.30

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Solution

The fourth proportional to 78,716,110.70, 118,096,284.45 and 38,327,912.30 is: 57,502,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,716,110.70 : 118,096,284.45 = 38,327,912.30 : x
  2. Step 2: Convert to fraction form
    78,716,110.70/118,096,284.45 = 38,327,912.30/x
  3. Step 3: Cross multiply
    78,716,110.70x = 118,096,284.45 × 38,327,912.30
  4. Step 4: Simplify right side
    78,716,110.70x = 4,526,384,033,355,453
  5. Step 5: Solve for x
    x = 4,526,384,033,355,453/78,716,110.70
  6. Step 6: Final answer
    x = 57,502,638.19

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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.