Home / 289,175,584.40-433,760,611.80-70,826,886.80

Finding the Fourth Proportional to 289,175,584.40, 433,760,611.80 and 70,826,886.80

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Solution

The fourth proportional to 289,175,584.40, 433,760,611.80 and 70,826,886.80 is: 106,239,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,175,584.40 : 433,760,611.80 = 70,826,886.80 : x
  2. Step 2: Convert to fraction form
    289,175,584.40/433,760,611.80 = 70,826,886.80/x
  3. Step 3: Cross multiply
    289,175,584.40x = 433,760,611.80 × 70,826,886.80
  4. Step 4: Simplify right side
    289,175,584.40x = 30,721,913,750,257,344
  5. Step 5: Solve for x
    x = 30,721,913,750,257,344/289,175,584.40
  6. Step 6: Final answer
    x = 106,239,653.03

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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.