Home / 75,705,651.40-113,558,477.10-43,755,622.60

Finding the Fourth Proportional to 75,705,651.40, 113,558,477.10 and 43,755,622.60

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Solution

The fourth proportional to 75,705,651.40, 113,558,477.10 and 43,755,622.60 is: 65,633,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,705,651.40 : 113,558,477.10 = 43,755,622.60 : x
  2. Step 2: Convert to fraction form
    75,705,651.40/113,558,477.10 = 43,755,622.60/x
  3. Step 3: Cross multiply
    75,705,651.40x = 113,558,477.10 × 43,755,622.60
  4. Step 4: Simplify right side
    75,705,651.40x = 4,968,821,867,018,342
  5. Step 5: Solve for x
    x = 4,968,821,867,018,342/75,705,651.40
  6. Step 6: Final answer
    x = 65,633,433.90

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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.