Home / 123,035,007.70-184,552,511.55-121,121,820.10

Finding the Fourth Proportional to 123,035,007.70, 184,552,511.55 and 121,121,820.10

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Solution

The fourth proportional to 123,035,007.70, 184,552,511.55 and 121,121,820.10 is: 181,682,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,035,007.70 : 184,552,511.55 = 121,121,820.10 : x
  2. Step 2: Convert to fraction form
    123,035,007.70/184,552,511.55 = 121,121,820.10/x
  3. Step 3: Cross multiply
    123,035,007.70x = 184,552,511.55 × 121,121,820.10
  4. Step 4: Simplify right side
    123,035,007.70x = 22,353,336,102,962,272
  5. Step 5: Solve for x
    x = 22,353,336,102,962,272/123,035,007.70
  6. Step 6: Final answer
    x = 181,682,730.15

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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.