Home / 281,303,995.56-388,199,513.88-157,544,672.69

Finding the Fourth Proportional to 281,303,995.56, 388,199,513.88 and 157,544,672.69

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Solution

The fourth proportional to 281,303,995.56, 388,199,513.88 and 157,544,672.69 is: 217,411,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,303,995.56 : 388,199,513.88 = 157,544,672.69 : x
  2. Step 2: Convert to fraction form
    281,303,995.56/388,199,513.88 = 157,544,672.69/x
  3. Step 3: Cross multiply
    281,303,995.56x = 388,199,513.88 × 157,544,672.69
  4. Step 4: Simplify right side
    281,303,995.56x = 61,158,765,350,700,712
  5. Step 5: Solve for x
    x = 61,158,765,350,700,712/281,303,995.56
  6. Step 6: Final answer
    x = 217,411,648.31

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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.