Home / 258,601,106.22-387,892,211.37-76,843,560.30

Finding the Fourth Proportional to 258,601,106.22, 387,892,211.37 and 76,843,560.30

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Solution

The fourth proportional to 258,601,106.22, 387,892,211.37 and 76,843,560.30 is: 115,262,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,601,106.22 : 387,892,211.37 = 76,843,560.30 : x
  2. Step 2: Convert to fraction form
    258,601,106.22/387,892,211.37 = 76,843,560.30/x
  3. Step 3: Cross multiply
    258,601,106.22x = 387,892,211.37 × 76,843,560.30
  4. Step 4: Simplify right side
    258,601,106.22x = 29,807,018,534,310,940
  5. Step 5: Solve for x
    x = 29,807,018,534,310,940/258,601,106.22
  6. Step 6: Final answer
    x = 115,262,532.98

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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.