Home / 181,522,012.80-272,283,019.20-167,491,970.40

Finding the Fourth Proportional to 181,522,012.80, 272,283,019.20 and 167,491,970.40

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Solution

The fourth proportional to 181,522,012.80, 272,283,019.20 and 167,491,970.40 is: 251,237,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,522,012.80 : 272,283,019.20 = 167,491,970.40 : x
  2. Step 2: Convert to fraction form
    181,522,012.80/272,283,019.20 = 167,491,970.40/x
  3. Step 3: Cross multiply
    181,522,012.80x = 272,283,019.20 × 167,491,970.40
  4. Step 4: Simplify right side
    181,522,012.80x = 45,605,219,392,269,032
  5. Step 5: Solve for x
    x = 45,605,219,392,269,032/181,522,012.80
  6. Step 6: Final answer
    x = 251,237,955.60

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1.5x scale

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.