Home / 172,431,417.83-238,266,621.21-122,785,600.81

Finding the Fourth Proportional to 172,431,417.83, 238,266,621.21 and 122,785,600.81

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Solution

The fourth proportional to 172,431,417.83, 238,266,621.21 and 122,785,600.81 is: 169,665,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,431,417.83 : 238,266,621.21 = 122,785,600.81 : x
  2. Step 2: Convert to fraction form
    172,431,417.83/238,266,621.21 = 122,785,600.81/x
  3. Step 3: Cross multiply
    172,431,417.83x = 238,266,621.21 × 122,785,600.81
  4. Step 4: Simplify right side
    172,431,417.83x = 29,255,710,237,624,612
  5. Step 5: Solve for x
    x = 29,255,710,237,624,612/172,431,417.83
  6. Step 6: Final answer
    x = 169,665,775.56

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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.