Home / 281,731,396.95-388,731,107.78-162,651,925.69

Finding the Fourth Proportional to 281,731,396.95, 388,731,107.78 and 162,651,925.69

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Solution

The fourth proportional to 281,731,396.95, 388,731,107.78 and 162,651,925.69 is: 224,426,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,731,396.95 : 388,731,107.78 = 162,651,925.69 : x
  2. Step 2: Convert to fraction form
    281,731,396.95/388,731,107.78 = 162,651,925.69/x
  3. Step 3: Cross multiply
    281,731,396.95x = 388,731,107.78 × 162,651,925.69
  4. Step 4: Simplify right side
    281,731,396.95x = 63,227,863,254,238,848
  5. Step 5: Solve for x
    x = 63,227,863,254,238,848/281,731,396.95
  6. Step 6: Final answer
    x = 224,426,045.30

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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.