Home / 281,303,997.03-388,199,515.91-157,544,674.16

Finding the Fourth Proportional to 281,303,997.03, 388,199,515.91 and 157,544,674.16

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Solution

The fourth proportional to 281,303,997.03, 388,199,515.91 and 157,544,674.16 is: 217,411,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,303,997.03 : 388,199,515.91 = 157,544,674.16 : x
  2. Step 2: Convert to fraction form
    281,303,997.03/388,199,515.91 = 157,544,674.16/x
  3. Step 3: Cross multiply
    281,303,997.03x = 388,199,515.91 × 157,544,674.16
  4. Step 4: Simplify right side
    281,303,997.03x = 61,158,766,240,381,960
  5. Step 5: Solve for x
    x = 61,158,766,240,381,960/281,303,997.03
  6. Step 6: Final answer
    x = 217,411,650.34

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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.