Home / 68,478,073.26-102,652,811.01-23,008,068.78

Finding the Fourth Proportional to 68,478,073.26, 102,652,811.01 and 23,008,068.78

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Solution

The fourth proportional to 68,478,073.26, 102,652,811.01 and 23,008,068.78 is: 34,490,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,478,073.26 : 102,652,811.01 = 23,008,068.78 : x
  2. Step 2: Convert to fraction form
    68,478,073.26/102,652,811.01 = 23,008,068.78/x
  3. Step 3: Cross multiply
    68,478,073.26x = 102,652,811.01 × 23,008,068.78
  4. Step 4: Simplify right side
    68,478,073.26x = 2,361,842,936,178,421.50
  5. Step 5: Solve for x
    x = 2,361,842,936,178,421.50/68,478,073.26
  6. Step 6: Final answer
    x = 34,490,499.28

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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.