Home / 123,133,339.20-184,578,184.80-58,323,230.40

Finding the Fourth Proportional to 123,133,339.20, 184,578,184.80 and 58,323,230.40

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Solution

The fourth proportional to 123,133,339.20, 184,578,184.80 and 58,323,230.40 is: 87,427,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,133,339.20 : 184,578,184.80 = 58,323,230.40 : x
  2. Step 2: Convert to fraction form
    123,133,339.20/184,578,184.80 = 58,323,230.40/x
  3. Step 3: Cross multiply
    123,133,339.20x = 184,578,184.80 × 58,323,230.40
  4. Step 4: Simplify right side
    123,133,339.20x = 10,765,195,998,904,178
  5. Step 5: Solve for x
    x = 10,765,195,998,904,178/123,133,339.20
  6. Step 6: Final answer
    x = 87,427,142.55

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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.