Home / 124,652,467.44-171,931,172.94-87,491,036.34

Finding the Fourth Proportional to 124,652,467.44, 171,931,172.94 and 87,491,036.34

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Solution

The fourth proportional to 124,652,467.44, 171,931,172.94 and 87,491,036.34 is: 120,674,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,652,467.44 : 171,931,172.94 = 87,491,036.34 : x
  2. Step 2: Convert to fraction form
    124,652,467.44/171,931,172.94 = 87,491,036.34/x
  3. Step 3: Cross multiply
    124,652,467.44x = 171,931,172.94 × 87,491,036.34
  4. Step 4: Simplify right side
    124,652,467.44x = 15,042,436,499,672,366
  5. Step 5: Solve for x
    x = 15,042,436,499,672,366/124,652,467.44
  6. Step 6: Final answer
    x = 120,674,999.93

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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.