Home / 71,700,884.84-107,551,321.35-19,885,486.85

Finding the Fourth Proportional to 71,700,884.84, 107,551,321.35 and 19,885,486.85

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Solution

The fourth proportional to 71,700,884.84, 107,551,321.35 and 19,885,486.85 is: 29,828,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,700,884.84 : 107,551,321.35 = 19,885,486.85 : x
  2. Step 2: Convert to fraction form
    71,700,884.84/107,551,321.35 = 19,885,486.85/x
  3. Step 3: Cross multiply
    71,700,884.84x = 107,551,321.35 × 19,885,486.85
  4. Step 4: Simplify right side
    71,700,884.84x = 2,138,710,385,867,792.50
  5. Step 5: Solve for x
    x = 2,138,710,385,867,792.50/71,700,884.84
  6. Step 6: Final answer
    x = 29,828,228.63

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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.