Home / 122,645,390.40-183,968,085.60-100,726,401.60

Finding the Fourth Proportional to 122,645,390.40, 183,968,085.60 and 100,726,401.60

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Solution

The fourth proportional to 122,645,390.40, 183,968,085.60 and 100,726,401.60 is: 151,089,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,645,390.40 : 183,968,085.60 = 100,726,401.60 : x
  2. Step 2: Convert to fraction form
    122,645,390.40/183,968,085.60 = 100,726,401.60/x
  3. Step 3: Cross multiply
    122,645,390.40x = 183,968,085.60 × 100,726,401.60
  4. Step 4: Simplify right side
    122,645,390.40x = 18,530,443,271,728,776
  5. Step 5: Solve for x
    x = 18,530,443,271,728,776/122,645,390.40
  6. Step 6: Final answer
    x = 151,089,602.40

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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.