Home / 122,474,820.40-183,712,230.60-121,624,514.80

Finding the Fourth Proportional to 122,474,820.40, 183,712,230.60 and 121,624,514.80

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Solution

The fourth proportional to 122,474,820.40, 183,712,230.60 and 121,624,514.80 is: 182,436,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,474,820.40 : 183,712,230.60 = 121,624,514.80 : x
  2. Step 2: Convert to fraction form
    122,474,820.40/183,712,230.60 = 121,624,514.80/x
  3. Step 3: Cross multiply
    122,474,820.40x = 183,712,230.60 × 121,624,514.80
  4. Step 4: Simplify right side
    122,474,820.40x = 22,343,910,909,550,712
  5. Step 5: Solve for x
    x = 22,343,910,909,550,712/122,474,820.40
  6. Step 6: Final answer
    x = 182,436,772.20

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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.