Home / 123,299,852.40-184,816,284.12-80,199,856.08

Finding the Fourth Proportional to 123,299,852.40, 184,816,284.12 and 80,199,856.08

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Solution

The fourth proportional to 123,299,852.40, 184,816,284.12 and 80,199,856.08 is: 120,212,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,299,852.40 : 184,816,284.12 = 80,199,856.08 : x
  2. Step 2: Convert to fraction form
    123,299,852.40/184,816,284.12 = 80,199,856.08/x
  3. Step 3: Cross multiply
    123,299,852.40x = 184,816,284.12 × 80,199,856.08
  4. Step 4: Simplify right side
    123,299,852.40x = 14,822,239,387,664,390
  5. Step 5: Solve for x
    x = 14,822,239,387,664,390/123,299,852.40
  6. Step 6: Final answer
    x = 120,212,953.21

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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.