Home / 65,354,443.44-90,023,038.92-49,857,623.88

Finding the Fourth Proportional to 65,354,443.44, 90,023,038.92 and 49,857,623.88

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Solution

The fourth proportional to 65,354,443.44, 90,023,038.92 and 49,857,623.88 is: 68,676,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,354,443.44 : 90,023,038.92 = 49,857,623.88 : x
  2. Step 2: Convert to fraction form
    65,354,443.44/90,023,038.92 = 49,857,623.88/x
  3. Step 3: Cross multiply
    65,354,443.44x = 90,023,038.92 × 49,857,623.88
  4. Step 4: Simplify right side
    65,354,443.44x = 4,488,334,815,007,961.50
  5. Step 5: Solve for x
    x = 4,488,334,815,007,961.50/65,354,443.44
  6. Step 6: Final answer
    x = 68,676,811.84

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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.