Home / 144,970,438.36-200,059,237.50-79,780,342.36

Finding the Fourth Proportional to 144,970,438.36, 200,059,237.50 and 79,780,342.36

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Solution

The fourth proportional to 144,970,438.36, 200,059,237.50 and 79,780,342.36 is: 110,096,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,438.36 : 200,059,237.50 = 79,780,342.36 : x
  2. Step 2: Convert to fraction form
    144,970,438.36/200,059,237.50 = 79,780,342.36/x
  3. Step 3: Cross multiply
    144,970,438.36x = 200,059,237.50 × 79,780,342.36
  4. Step 4: Simplify right side
    144,970,438.36x = 15,960,794,460,030,550
  5. Step 5: Solve for x
    x = 15,960,794,460,030,550/144,970,438.36
  6. Step 6: Final answer
    x = 110,096,890.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.