Home / 130,190,330.70-195,214,540.05-39,302,109.90

Finding the Fourth Proportional to 130,190,330.70, 195,214,540.05 and 39,302,109.90

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Solution

The fourth proportional to 130,190,330.70, 195,214,540.05 and 39,302,109.90 is: 58,931,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,190,330.70 : 195,214,540.05 = 39,302,109.90 : x
  2. Step 2: Convert to fraction form
    130,190,330.70/195,214,540.05 = 39,302,109.90/x
  3. Step 3: Cross multiply
    130,190,330.70x = 195,214,540.05 × 39,302,109.90
  4. Step 4: Simplify right side
    130,190,330.70x = 7,672,343,307,123,052
  5. Step 5: Solve for x
    x = 7,672,343,307,123,052/130,190,330.70
  6. Step 6: Final answer
    x = 58,931,744.51

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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.