Home / 52,582,903.40-78,874,355.10-18,503,978.60

Finding the Fourth Proportional to 52,582,903.40, 78,874,355.10 and 18,503,978.60

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Solution

The fourth proportional to 52,582,903.40, 78,874,355.10 and 18,503,978.60 is: 27,755,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,582,903.40 : 78,874,355.10 = 18,503,978.60 : x
  2. Step 2: Convert to fraction form
    52,582,903.40/78,874,355.10 = 18,503,978.60/x
  3. Step 3: Cross multiply
    52,582,903.40x = 78,874,355.10 × 18,503,978.60
  4. Step 4: Simplify right side
    52,582,903.40x = 1,459,489,378,859,200.75
  5. Step 5: Solve for x
    x = 1,459,489,378,859,200.75/52,582,903.40
  6. Step 6: Final answer
    x = 27,755,967.90

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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.