Home / 189,019,490.40-283,193,312.40-162,145,634.40

Finding the Fourth Proportional to 189,019,490.40, 283,193,312.40 and 162,145,634.40

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Solution

The fourth proportional to 189,019,490.40, 283,193,312.40 and 162,145,634.40 is: 242,930,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,019,490.40 : 283,193,312.40 = 162,145,634.40 : x
  2. Step 2: Convert to fraction form
    189,019,490.40/283,193,312.40 = 162,145,634.40/x
  3. Step 3: Cross multiply
    189,019,490.40x = 283,193,312.40 × 162,145,634.40
  4. Step 4: Simplify right side
    189,019,490.40x = 45,918,559,296,935,384
  5. Step 5: Solve for x
    x = 45,918,559,296,935,384/189,019,490.40
  6. Step 6: Final answer
    x = 242,930,288.30

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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.