Home / 186,988,563.60-280,482,845.40-125,766,560.40

Finding the Fourth Proportional to 186,988,563.60, 280,482,845.40 and 125,766,560.40

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Solution

The fourth proportional to 186,988,563.60, 280,482,845.40 and 125,766,560.40 is: 188,649,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,988,563.60 : 280,482,845.40 = 125,766,560.40 : x
  2. Step 2: Convert to fraction form
    186,988,563.60/280,482,845.40 = 125,766,560.40/x
  3. Step 3: Cross multiply
    186,988,563.60x = 280,482,845.40 × 125,766,560.40
  4. Step 4: Simplify right side
    186,988,563.60x = 35,275,362,717,162,960
  5. Step 5: Solve for x
    x = 35,275,362,717,162,960/186,988,563.60
  6. Step 6: Final answer
    x = 188,649,840.60

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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.