Home / 87,626,846.34-120,916,932.84-48,467,780.28

Finding the Fourth Proportional to 87,626,846.34, 120,916,932.84 and 48,467,780.28

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Solution

The fourth proportional to 87,626,846.34, 120,916,932.84 and 48,467,780.28 is: 66,881,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,626,846.34 : 120,916,932.84 = 48,467,780.28 : x
  2. Step 2: Convert to fraction form
    87,626,846.34/120,916,932.84 = 48,467,780.28/x
  3. Step 3: Cross multiply
    87,626,846.34x = 120,916,932.84 × 48,467,780.28
  4. Step 4: Simplify right side
    87,626,846.34x = 5,860,575,333,020,637
  5. Step 5: Solve for x
    x = 5,860,575,333,020,637/87,626,846.34
  6. Step 6: Final answer
    x = 66,881,048.19

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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.