Home / 142,778,575.85-196,961,910.17-93,247,942.55

Finding the Fourth Proportional to 142,778,575.85, 196,961,910.17 and 93,247,942.55

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Solution

The fourth proportional to 142,778,575.85, 196,961,910.17 and 93,247,942.55 is: 128,634,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,778,575.85 : 196,961,910.17 = 93,247,942.55 : x
  2. Step 2: Convert to fraction form
    142,778,575.85/196,961,910.17 = 93,247,942.55/x
  3. Step 3: Cross multiply
    142,778,575.85x = 196,961,910.17 × 93,247,942.55
  4. Step 4: Simplify right side
    142,778,575.85x = 18,366,292,882,619,372
  5. Step 5: Solve for x
    x = 18,366,292,882,619,372/142,778,575.85
  6. Step 6: Final answer
    x = 128,634,795.34

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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.