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Finding the Fourth Proportional to 64,191,495.86, 88,584,264.30 and 36,690,014.60

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Solution

The fourth proportional to 64,191,495.86, 88,584,264.30 and 36,690,014.60 is: 50,632,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,191,495.86 : 88,584,264.30 = 36,690,014.60 : x
  2. Step 2: Convert to fraction form
    64,191,495.86/88,584,264.30 = 36,690,014.60/x
  3. Step 3: Cross multiply
    64,191,495.86x = 88,584,264.30 × 36,690,014.60
  4. Step 4: Simplify right side
    64,191,495.86x = 3,250,157,950,313,809
  5. Step 5: Solve for x
    x = 3,250,157,950,313,809/64,191,495.86
  6. Step 6: Final answer
    x = 50,632,220.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.