Home / 87,399,521.40-131,099,282.10-29,893,668.60

Finding the Fourth Proportional to 87,399,521.40, 131,099,282.10 and 29,893,668.60

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Solution

The fourth proportional to 87,399,521.40, 131,099,282.10 and 29,893,668.60 is: 44,840,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399,521.40 : 131,099,282.10 = 29,893,668.60 : x
  2. Step 2: Convert to fraction form
    87,399,521.40/131,099,282.10 = 29,893,668.60/x
  3. Step 3: Cross multiply
    87,399,521.40x = 131,099,282.10 × 29,893,668.60
  4. Step 4: Simplify right side
    87,399,521.40x = 3,919,038,492,795,312
  5. Step 5: Solve for x
    x = 3,919,038,492,795,312/87,399,521.40
  6. Step 6: Final answer
    x = 44,840,502.90

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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.