Home / 122,112,877.20-183,169,315.80-121,262,571.60

Finding the Fourth Proportional to 122,112,877.20, 183,169,315.80 and 121,262,571.60

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Solution

The fourth proportional to 122,112,877.20, 183,169,315.80 and 121,262,571.60 is: 181,893,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,112,877.20 : 183,169,315.80 = 121,262,571.60 : x
  2. Step 2: Convert to fraction form
    122,112,877.20/183,169,315.80 = 121,262,571.60/x
  3. Step 3: Cross multiply
    122,112,877.20x = 183,169,315.80 × 121,262,571.60
  4. Step 4: Simplify right side
    122,112,877.20x = 22,211,582,272,120,512
  5. Step 5: Solve for x
    x = 22,211,582,272,120,512/122,112,877.20
  6. Step 6: Final answer
    x = 181,893,857.40

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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.