Home / 261,664,473.47-361,099,395.02-144,194,007.60

Finding the Fourth Proportional to 261,664,473.47, 361,099,395.02 and 144,194,007.60

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Solution

The fourth proportional to 261,664,473.47, 361,099,395.02 and 144,194,007.60 is: 198,989,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,664,473.47 : 361,099,395.02 = 144,194,007.60 : x
  2. Step 2: Convert to fraction form
    261,664,473.47/361,099,395.02 = 144,194,007.60/x
  3. Step 3: Cross multiply
    261,664,473.47x = 361,099,395.02 × 144,194,007.60
  4. Step 4: Simplify right side
    261,664,473.47x = 52,068,368,910,229,760
  5. Step 5: Solve for x
    x = 52,068,368,910,229,760/261,664,473.47
  6. Step 6: Final answer
    x = 198,989,064.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.