Home / 108,753,612.40-163,130,418.60-76,441,999.60

Finding the Fourth Proportional to 108,753,612.40, 163,130,418.60 and 76,441,999.60

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Solution

The fourth proportional to 108,753,612.40, 163,130,418.60 and 76,441,999.60 is: 114,662,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,753,612.40 : 163,130,418.60 = 76,441,999.60 : x
  2. Step 2: Convert to fraction form
    108,753,612.40/163,130,418.60 = 76,441,999.60/x
  3. Step 3: Cross multiply
    108,753,612.40x = 163,130,418.60 × 76,441,999.60
  4. Step 4: Simplify right side
    108,753,612.40x = 12,470,015,393,369,032
  5. Step 5: Solve for x
    x = 12,470,015,393,369,032/108,753,612.40
  6. Step 6: Final answer
    x = 114,662,999.40

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1.5x scale

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.