Home / 257,795,871.54-386,690,021.10-63,707,281.50

Finding the Fourth Proportional to 257,795,871.54, 386,690,021.10 and 63,707,281.50

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Solution

The fourth proportional to 257,795,871.54, 386,690,021.10 and 63,707,281.50 is: 95,559,986.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,795,871.54 : 386,690,021.10 = 63,707,281.50 : x
  2. Step 2: Convert to fraction form
    257,795,871.54/386,690,021.10 = 63,707,281.50/x
  3. Step 3: Cross multiply
    257,795,871.54x = 386,690,021.10 × 63,707,281.50
  4. Step 4: Simplify right side
    257,795,871.54x = 24,634,970,027,458,640
  5. Step 5: Solve for x
    x = 24,634,970,027,458,640/257,795,871.54
  6. Step 6: Final answer
    x = 95,559,986.59

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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.