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Finding the Fourth Proportional to 67,807,685.03, 93,573,502.93 and 36,868,633.43

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Solution

The fourth proportional to 67,807,685.03, 93,573,502.93 and 36,868,633.43 is: 50,878,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,807,685.03 : 93,573,502.93 = 36,868,633.43 : x
  2. Step 2: Convert to fraction form
    67,807,685.03/93,573,502.93 = 36,868,633.43/x
  3. Step 3: Cross multiply
    67,807,685.03x = 93,573,502.93 × 36,868,633.43
  4. Step 4: Simplify right side
    67,807,685.03x = 3,449,927,178,287,201
  5. Step 5: Solve for x
    x = 3,449,927,178,287,201/67,807,685.03
  6. Step 6: Final answer
    x = 50,878,114.73

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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.