Home / 145,120,223.34-200,265,910.65-79,930,127.34

Finding the Fourth Proportional to 145,120,223.34, 200,265,910.65 and 79,930,127.34

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Solution

The fourth proportional to 145,120,223.34, 200,265,910.65 and 79,930,127.34 is: 110,303,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,120,223.34 : 200,265,910.65 = 79,930,127.34 : x
  2. Step 2: Convert to fraction form
    145,120,223.34/200,265,910.65 = 79,930,127.34/x
  3. Step 3: Cross multiply
    145,120,223.34x = 200,265,910.65 × 79,930,127.34
  4. Step 4: Simplify right side
    145,120,223.34x = 16,007,279,740,115,564
  5. Step 5: Solve for x
    x = 16,007,279,740,115,564/145,120,223.34
  6. Step 6: Final answer
    x = 110,303,577.07

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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.