Home / 113,724,129.60-170,586,194.40-109,260,025.20

Finding the Fourth Proportional to 113,724,129.60, 170,586,194.40 and 109,260,025.20

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Solution

The fourth proportional to 113,724,129.60, 170,586,194.40 and 109,260,025.20 is: 163,890,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,724,129.60 : 170,586,194.40 = 109,260,025.20 : x
  2. Step 2: Convert to fraction form
    113,724,129.60/170,586,194.40 = 109,260,025.20/x
  3. Step 3: Cross multiply
    113,724,129.60x = 170,586,194.40 × 109,260,025.20
  4. Step 4: Simplify right side
    113,724,129.60x = 18,638,251,898,916,100
  5. Step 5: Solve for x
    x = 18,638,251,898,916,100/113,724,129.60
  6. Step 6: Final answer
    x = 163,890,037.80

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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.