Home / 237,966,621.72-328,165,717.78-153,107,129.67

Finding the Fourth Proportional to 237,966,621.72, 328,165,717.78 and 153,107,129.67

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Solution

The fourth proportional to 237,966,621.72, 328,165,717.78 and 153,107,129.67 is: 211,141,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,966,621.72 : 328,165,717.78 = 153,107,129.67 : x
  2. Step 2: Convert to fraction form
    237,966,621.72/328,165,717.78 = 153,107,129.67/x
  3. Step 3: Cross multiply
    237,966,621.72x = 328,165,717.78 × 153,107,129.67
  4. Step 4: Simplify right side
    237,966,621.72x = 50,244,511,105,391,072
  5. Step 5: Solve for x
    x = 50,244,511,105,391,072/237,966,621.72
  6. Step 6: Final answer
    x = 211,141,002.64

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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.