Home / 98,919,347.85-148,379,021.78-47,901,011.85

Finding the Fourth Proportional to 98,919,347.85, 148,379,021.78 and 47,901,011.85

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Solution

The fourth proportional to 98,919,347.85, 148,379,021.78 and 47,901,011.85 is: 71,851,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,919,347.85 : 148,379,021.78 = 47,901,011.85 : x
  2. Step 2: Convert to fraction form
    98,919,347.85/148,379,021.78 = 47,901,011.85/x
  3. Step 3: Cross multiply
    98,919,347.85x = 148,379,021.78 × 47,901,011.85
  4. Step 4: Simplify right side
    98,919,347.85x = 7,107,505,280,335,684
  5. Step 5: Solve for x
    x = 7,107,505,280,335,684/98,919,347.85
  6. Step 6: Final answer
    x = 71,851,517.78

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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.