Home / 281,303,998.53-388,199,517.98-157,544,675.66

Finding the Fourth Proportional to 281,303,998.53, 388,199,517.98 and 157,544,675.66

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Solution

The fourth proportional to 281,303,998.53, 388,199,517.98 and 157,544,675.66 is: 217,411,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,303,998.53 : 388,199,517.98 = 157,544,675.66 : x
  2. Step 2: Convert to fraction form
    281,303,998.53/388,199,517.98 = 157,544,675.66/x
  3. Step 3: Cross multiply
    281,303,998.53x = 388,199,517.98 × 157,544,675.66
  4. Step 4: Simplify right side
    281,303,998.53x = 61,158,767,148,798,720
  5. Step 5: Solve for x
    x = 61,158,767,148,798,720/281,303,998.53
  6. Step 6: Final answer
    x = 217,411,652.41

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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.