Home / 268,100,793.60-402,151,190.40-189,872,678.40

Finding the Fourth Proportional to 268,100,793.60, 402,151,190.40 and 189,872,678.40

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Solution

The fourth proportional to 268,100,793.60, 402,151,190.40 and 189,872,678.40 is: 284,809,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,100,793.60 : 402,151,190.40 = 189,872,678.40 : x
  2. Step 2: Convert to fraction form
    268,100,793.60/402,151,190.40 = 189,872,678.40/x
  3. Step 3: Cross multiply
    268,100,793.60x = 402,151,190.40 × 189,872,678.40
  4. Step 4: Simplify right side
    268,100,793.60x = 76,357,523,642,996,368
  5. Step 5: Solve for x
    x = 76,357,523,642,996,368/268,100,793.60
  6. Step 6: Final answer
    x = 284,809,017.60

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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.