Home / 122,485,526.40-183,728,289.60-121,635,220.80

Finding the Fourth Proportional to 122,485,526.40, 183,728,289.60 and 121,635,220.80

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Solution

The fourth proportional to 122,485,526.40, 183,728,289.60 and 121,635,220.80 is: 182,452,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,526.40 : 183,728,289.60 = 121,635,220.80 : x
  2. Step 2: Convert to fraction form
    122,485,526.40/183,728,289.60 = 121,635,220.80/x
  3. Step 3: Cross multiply
    122,485,526.40x = 183,728,289.60 × 121,635,220.80
  4. Step 4: Simplify right side
    122,485,526.40x = 22,347,831,072,702,344
  5. Step 5: Solve for x
    x = 22,347,831,072,702,344/122,485,526.40
  6. Step 6: Final answer
    x = 182,452,831.20

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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.