Home / 285,892,567.31-427,756,667.46-169,370,462.40

Finding the Fourth Proportional to 285,892,567.31, 427,756,667.46 and 169,370,462.40

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Solution

The fourth proportional to 285,892,567.31, 427,756,667.46 and 169,370,462.40 is: 253,414,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,892,567.31 : 427,756,667.46 = 169,370,462.40 : x
  2. Step 2: Convert to fraction form
    285,892,567.31/427,756,667.46 = 169,370,462.40/x
  3. Step 3: Cross multiply
    285,892,567.31x = 427,756,667.46 × 169,370,462.40
  4. Step 4: Simplify right side
    285,892,567.31x = 72,449,344,562,383,232
  5. Step 5: Solve for x
    x = 72,449,344,562,383,232/285,892,567.31
  6. Step 6: Final answer
    x = 253,414,578.93

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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.