Home / 171,648,311.60-257,472,467.40-163,685,687.60

Finding the Fourth Proportional to 171,648,311.60, 257,472,467.40 and 163,685,687.60

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Solution

The fourth proportional to 171,648,311.60, 257,472,467.40 and 163,685,687.60 is: 245,528,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648,311.60 : 257,472,467.40 = 163,685,687.60 : x
  2. Step 2: Convert to fraction form
    171,648,311.60/257,472,467.40 = 163,685,687.60/x
  3. Step 3: Cross multiply
    171,648,311.60x = 257,472,467.40 × 163,685,687.60
  4. Step 4: Simplify right side
    171,648,311.60x = 42,144,557,864,437,584
  5. Step 5: Solve for x
    x = 42,144,557,864,437,584/171,648,311.60
  6. Step 6: Final answer
    x = 245,528,531.40

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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.