Home / 48,492,042.30-72,738,063.45-12,590,250.30

Finding the Fourth Proportional to 48,492,042.30, 72,738,063.45 and 12,590,250.30

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Solution

The fourth proportional to 48,492,042.30, 72,738,063.45 and 12,590,250.30 is: 18,885,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492,042.30 : 72,738,063.45 = 12,590,250.30 : x
  2. Step 2: Convert to fraction form
    48,492,042.30/72,738,063.45 = 12,590,250.30/x
  3. Step 3: Cross multiply
    48,492,042.30x = 72,738,063.45 × 12,590,250.30
  4. Step 4: Simplify right side
    48,492,042.30x = 915,790,425,172,781.62
  5. Step 5: Solve for x
    x = 915,790,425,172,781.62/48,492,042.30
  6. Step 6: Final answer
    x = 18,885,375.45

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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.