Home / 122,670,212.20-183,849,020.70-65,190,020.20

Finding the Fourth Proportional to 122,670,212.20, 183,849,020.70 and 65,190,020.20

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Solution

The fourth proportional to 122,670,212.20, 183,849,020.70 and 65,190,020.20 is: 97,701,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,670,212.20 : 183,849,020.70 = 65,190,020.20 : x
  2. Step 2: Convert to fraction form
    122,670,212.20/183,849,020.70 = 65,190,020.20/x
  3. Step 3: Cross multiply
    122,670,212.20x = 183,849,020.70 × 65,190,020.20
  4. Step 4: Simplify right side
    122,670,212.20x = 11,985,121,373,183,218
  5. Step 5: Solve for x
    x = 11,985,121,373,183,218/122,670,212.20
  6. Step 6: Final answer
    x = 97,701,969.84

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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.