Home / 124,416,009.40-186,624,014.10-113,268,335.80

Finding the Fourth Proportional to 124,416,009.40, 186,624,014.10 and 113,268,335.80

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Solution

The fourth proportional to 124,416,009.40, 186,624,014.10 and 113,268,335.80 is: 169,902,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,009.40 : 186,624,014.10 = 113,268,335.80 : x
  2. Step 2: Convert to fraction form
    124,416,009.40/186,624,014.10 = 113,268,335.80/x
  3. Step 3: Cross multiply
    124,416,009.40x = 186,624,014.10 × 113,268,335.80
  4. Step 4: Simplify right side
    124,416,009.40x = 21,138,591,497,422,732
  5. Step 5: Solve for x
    x = 21,138,591,497,422,732/124,416,009.40
  6. Step 6: Final answer
    x = 169,902,503.70

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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.