Home / 164,437,876.02-246,576,101.03-81,343,621.90

Finding the Fourth Proportional to 164,437,876.02, 246,576,101.03 and 81,343,621.90

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Solution

The fourth proportional to 164,437,876.02, 246,576,101.03 and 81,343,621.90 is: 121,975,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,437,876.02 : 246,576,101.03 = 81,343,621.90 : x
  2. Step 2: Convert to fraction form
    164,437,876.02/246,576,101.03 = 81,343,621.90/x
  3. Step 3: Cross multiply
    164,437,876.02x = 246,576,101.03 × 81,343,621.90
  4. Step 4: Simplify right side
    164,437,876.02x = 20,057,393,131,760,524
  5. Step 5: Solve for x
    x = 20,057,393,131,760,524/164,437,876.02
  6. Step 6: Final answer
    x = 121,975,505.99

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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.