Home / 105,023,168.96-157,453,165.40-68,056,968.96

Finding the Fourth Proportional to 105,023,168.96, 157,453,165.40 and 68,056,968.96

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Solution

The fourth proportional to 105,023,168.96, 157,453,165.40 and 68,056,968.96 is: 102,032,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,023,168.96 : 157,453,165.40 = 68,056,968.96 : x
  2. Step 2: Convert to fraction form
    105,023,168.96/157,453,165.40 = 68,056,968.96/x
  3. Step 3: Cross multiply
    105,023,168.96x = 157,453,165.40 × 68,056,968.96
  4. Step 4: Simplify right side
    105,023,168.96x = 10,715,785,190,281,546
  5. Step 5: Solve for x
    x = 10,715,785,190,281,546/105,023,168.96
  6. Step 6: Final answer
    x = 102,032,582.87

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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.