Home / 122,490,112.40-183,735,168.60-121,639,806.80

Finding the Fourth Proportional to 122,490,112.40, 183,735,168.60 and 121,639,806.80

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Solution

The fourth proportional to 122,490,112.40, 183,735,168.60 and 121,639,806.80 is: 182,459,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,490,112.40 : 183,735,168.60 = 121,639,806.80 : x
  2. Step 2: Convert to fraction form
    122,490,112.40/183,735,168.60 = 121,639,806.80/x
  3. Step 3: Cross multiply
    122,490,112.40x = 183,735,168.60 × 121,639,806.80
  4. Step 4: Simplify right side
    122,490,112.40x = 22,349,510,410,869,424
  5. Step 5: Solve for x
    x = 22,349,510,410,869,424/122,490,112.40
  6. Step 6: Final answer
    x = 182,459,710.20

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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.