Home / 189,331,314.80-283,996,972.20-181,678,564.40

Finding the Fourth Proportional to 189,331,314.80, 283,996,972.20 and 181,678,564.40

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Solution

The fourth proportional to 189,331,314.80, 283,996,972.20 and 181,678,564.40 is: 272,517,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,331,314.80 : 283,996,972.20 = 181,678,564.40 : x
  2. Step 2: Convert to fraction form
    189,331,314.80/283,996,972.20 = 181,678,564.40/x
  3. Step 3: Cross multiply
    189,331,314.80x = 283,996,972.20 × 181,678,564.40
  4. Step 4: Simplify right side
    189,331,314.80x = 51,596,162,203,242,712
  5. Step 5: Solve for x
    x = 51,596,162,203,242,712/189,331,314.80
  6. Step 6: Final answer
    x = 272,517,846.60

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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.