Home / 178,667,712.60-268,001,568.90-117,445,709.40

Finding the Fourth Proportional to 178,667,712.60, 268,001,568.90 and 117,445,709.40

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Solution

The fourth proportional to 178,667,712.60, 268,001,568.90 and 117,445,709.40 is: 176,168,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,667,712.60 : 268,001,568.90 = 117,445,709.40 : x
  2. Step 2: Convert to fraction form
    178,667,712.60/268,001,568.90 = 117,445,709.40/x
  3. Step 3: Cross multiply
    178,667,712.60x = 268,001,568.90 × 117,445,709.40
  4. Step 4: Simplify right side
    178,667,712.60x = 31,475,634,379,773,480
  5. Step 5: Solve for x
    x = 31,475,634,379,773,480/178,667,712.60
  6. Step 6: Final answer
    x = 176,168,564.10

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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.