Home / 178,667,661.60-268,001,492.40-117,445,658.40

Finding the Fourth Proportional to 178,667,661.60, 268,001,492.40 and 117,445,658.40

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Solution

The fourth proportional to 178,667,661.60, 268,001,492.40 and 117,445,658.40 is: 176,168,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,667,661.60 : 268,001,492.40 = 117,445,658.40 : x
  2. Step 2: Convert to fraction form
    178,667,661.60/268,001,492.40 = 117,445,658.40/x
  3. Step 3: Cross multiply
    178,667,661.60x = 268,001,492.40 × 117,445,658.40
  4. Step 4: Simplify right side
    178,667,661.60x = 31,475,611,727,100,600
  5. Step 5: Solve for x
    x = 31,475,611,727,100,600/178,667,661.60
  6. Step 6: Final answer
    x = 176,168,487.60

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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.