Home / 80,914,108.60-121,483,137.30-63,893,999.80

Finding the Fourth Proportional to 80,914,108.60, 121,483,137.30 and 63,893,999.80

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Solution

The fourth proportional to 80,914,108.60, 121,483,137.30 and 63,893,999.80 is: 95,929,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,914,108.60 : 121,483,137.30 = 63,893,999.80 : x
  2. Step 2: Convert to fraction form
    80,914,108.60/121,483,137.30 = 63,893,999.80/x
  3. Step 3: Cross multiply
    80,914,108.60x = 121,483,137.30 × 63,893,999.80
  4. Step 4: Simplify right side
    80,914,108.60x = 7,762,043,550,349,572
  5. Step 5: Solve for x
    x = 7,762,043,550,349,572/80,914,108.60
  6. Step 6: Final answer
    x = 95,929,420.53

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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.