Home / 257,893,669.80-386,840,504.70-242,764,684.20

Finding the Fourth Proportional to 257,893,669.80, 386,840,504.70 and 242,764,684.20

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Solution

The fourth proportional to 257,893,669.80, 386,840,504.70 and 242,764,684.20 is: 364,147,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,893,669.80 : 386,840,504.70 = 242,764,684.20 : x
  2. Step 2: Convert to fraction form
    257,893,669.80/386,840,504.70 = 242,764,684.20/x
  3. Step 3: Cross multiply
    257,893,669.80x = 386,840,504.70 × 242,764,684.20
  4. Step 4: Simplify right side
    257,893,669.80x = 93,911,212,959,264,112
  5. Step 5: Solve for x
    x = 93,911,212,959,264,112/257,893,669.80
  6. Step 6: Final answer
    x = 364,147,026.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.