Home / 171,086,438.40-256,629,657.60-103,061,990.40

Finding the Fourth Proportional to 171,086,438.40, 256,629,657.60 and 103,061,990.40

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Solution

The fourth proportional to 171,086,438.40, 256,629,657.60 and 103,061,990.40 is: 154,592,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,086,438.40 : 256,629,657.60 = 103,061,990.40 : x
  2. Step 2: Convert to fraction form
    171,086,438.40/256,629,657.60 = 103,061,990.40/x
  3. Step 3: Cross multiply
    171,086,438.40x = 256,629,657.60 × 103,061,990.40
  4. Step 4: Simplify right side
    171,086,438.40x = 26,448,763,307,926,488
  5. Step 5: Solve for x
    x = 26,448,763,307,926,488/171,086,438.40
  6. Step 6: Final answer
    x = 154,592,985.60

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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.