Home / 172,834,335.72-238,533,171.21-113,345,660.70

Finding the Fourth Proportional to 172,834,335.72, 238,533,171.21 and 113,345,660.70

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Solution

The fourth proportional to 172,834,335.72, 238,533,171.21 and 113,345,660.70 is: 156,431,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,834,335.72 : 238,533,171.21 = 113,345,660.70 : x
  2. Step 2: Convert to fraction form
    172,834,335.72/238,533,171.21 = 113,345,660.70/x
  3. Step 3: Cross multiply
    172,834,335.72x = 238,533,171.21 × 113,345,660.70
  4. Step 4: Simplify right side
    172,834,335.72x = 27,036,699,889,663,672
  5. Step 5: Solve for x
    x = 27,036,699,889,663,672/172,834,335.72
  6. Step 6: Final answer
    x = 156,431,300.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.