Home / 205,869,903.66-308,814,787.23-67,692,451.59

Finding the Fourth Proportional to 205,869,903.66, 308,814,787.23 and 67,692,451.59

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Solution

The fourth proportional to 205,869,903.66, 308,814,787.23 and 67,692,451.59 is: 101,541,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,869,903.66 : 308,814,787.23 = 67,692,451.59 : x
  2. Step 2: Convert to fraction form
    205,869,903.66/308,814,787.23 = 67,692,451.59/x
  3. Step 3: Cross multiply
    205,869,903.66x = 308,814,787.23 × 67,692,451.59
  4. Step 4: Simplify right side
    205,869,903.66x = 20,904,430,034,842,928
  5. Step 5: Solve for x
    x = 20,904,430,034,842,928/205,869,903.66
  6. Step 6: Final answer
    x = 101,541,943.06

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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.