Home / 68,110,003.80-102,165,005.70-37,499,002.20

Finding the Fourth Proportional to 68,110,003.80, 102,165,005.70 and 37,499,002.20

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Solution

The fourth proportional to 68,110,003.80, 102,165,005.70 and 37,499,002.20 is: 56,248,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,110,003.80 : 102,165,005.70 = 37,499,002.20 : x
  2. Step 2: Convert to fraction form
    68,110,003.80/102,165,005.70 = 37,499,002.20/x
  3. Step 3: Cross multiply
    68,110,003.80x = 102,165,005.70 × 37,499,002.20
  4. Step 4: Simplify right side
    68,110,003.80x = 3,831,085,773,507,313
  5. Step 5: Solve for x
    x = 3,831,085,773,507,313/68,110,003.80
  6. Step 6: Final answer
    x = 56,248,503.30

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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.