Home / 122,476,636.80-183,714,955.20-100,935,561.60

Finding the Fourth Proportional to 122,476,636.80, 183,714,955.20 and 100,935,561.60

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Solution

The fourth proportional to 122,476,636.80, 183,714,955.20 and 100,935,561.60 is: 151,403,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476,636.80 : 183,714,955.20 = 100,935,561.60 : x
  2. Step 2: Convert to fraction form
    122,476,636.80/183,714,955.20 = 100,935,561.60/x
  3. Step 3: Cross multiply
    122,476,636.80x = 183,714,955.20 × 100,935,561.60
  4. Step 4: Simplify right side
    122,476,636.80x = 18,543,372,177,430,840
  5. Step 5: Solve for x
    x = 18,543,372,177,430,840/122,476,636.80
  6. Step 6: Final answer
    x = 151,403,342.40

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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.