Home / 122,112,200.70-183,168,301.05-121,261,895.10

Finding the Fourth Proportional to 122,112,200.70, 183,168,301.05 and 121,261,895.10

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Solution

The fourth proportional to 122,112,200.70, 183,168,301.05 and 121,261,895.10 is: 181,892,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,112,200.70 : 183,168,301.05 = 121,261,895.10 : x
  2. Step 2: Convert to fraction form
    122,112,200.70/183,168,301.05 = 121,261,895.10/x
  3. Step 3: Cross multiply
    122,112,200.70x = 183,168,301.05 × 121,261,895.10
  4. Step 4: Simplify right side
    122,112,200.70x = 22,211,335,307,570,320
  5. Step 5: Solve for x
    x = 22,211,335,307,570,320/122,112,200.70
  6. Step 6: Final answer
    x = 181,892,842.65

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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.