Home / 122,092,080.80-183,138,121.20-105,652,839.20

Finding the Fourth Proportional to 122,092,080.80, 183,138,121.20 and 105,652,839.20

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Solution

The fourth proportional to 122,092,080.80, 183,138,121.20 and 105,652,839.20 is: 158,479,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,092,080.80 : 183,138,121.20 = 105,652,839.20 : x
  2. Step 2: Convert to fraction form
    122,092,080.80/183,138,121.20 = 105,652,839.20/x
  3. Step 3: Cross multiply
    122,092,080.80x = 183,138,121.20 × 105,652,839.20
  4. Step 4: Simplify right side
    122,092,080.80x = 19,349,062,470,533,712
  5. Step 5: Solve for x
    x = 19,349,062,470,533,712/122,092,080.80
  6. Step 6: Final answer
    x = 158,479,258.80

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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.