Home / 68,090,427.32-102,128,072.70-24,369,420.20

Finding the Fourth Proportional to 68,090,427.32, 102,128,072.70 and 24,369,420.20

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Solution

The fourth proportional to 68,090,427.32, 102,128,072.70 and 24,369,420.20 is: 36,551,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,090,427.32 : 102,128,072.70 = 24,369,420.20 : x
  2. Step 2: Convert to fraction form
    68,090,427.32/102,128,072.70 = 24,369,420.20/x
  3. Step 3: Cross multiply
    68,090,427.32x = 102,128,072.70 × 24,369,420.20
  4. Step 4: Simplify right side
    68,090,427.32x = 2,488,801,917,842,448.50
  5. Step 5: Solve for x
    x = 2,488,801,917,842,448.50/68,090,427.32
  6. Step 6: Final answer
    x = 36,551,421.63

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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.