Home / 122,112,209.70-183,168,314.55-121,261,904.10

Finding the Fourth Proportional to 122,112,209.70, 183,168,314.55 and 121,261,904.10

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Solution

The fourth proportional to 122,112,209.70, 183,168,314.55 and 121,261,904.10 is: 181,892,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,112,209.70 : 183,168,314.55 = 121,261,904.10 : x
  2. Step 2: Convert to fraction form
    122,112,209.70/183,168,314.55 = 121,261,904.10/x
  3. Step 3: Cross multiply
    122,112,209.70x = 183,168,314.55 × 121,261,904.10
  4. Step 4: Simplify right side
    122,112,209.70x = 22,211,338,593,120,736
  5. Step 5: Solve for x
    x = 22,211,338,593,120,736/122,112,209.70
  6. Step 6: Final answer
    x = 181,892,856.15

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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.